Best Flange Inserts For Breast Pump Spectra of 2026

Last updated on 01/06/2026
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1
Spectra S1 Plus Hospital Grade Double Electric Breast Pump with Rechargeable Battery, Blue
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Spectra S1 Plus Hospital Grade Double Electric Breast Pump with Rechargeable Battery, Blue

Spectra
Why we love it
  • Ultra quiet for distraction-free use.
  • Built-in rechargeable and durable battery.
  • Night light enhances nighttime visibility.
Main Highlights
  • Ultra Quiet
  • Night Light. Vacuum range 0 ~ 320 mmHg
  • Variable Suction and Cycle
  • Massage / Letdown Mode. Cycle length is 38-54 RPM and the motor life is 1500 hours
  • Built In Rechargeable battery. Manufacturer guidance is to allow 6 hours for first charge prior to useage
  • Note: Two sides connect to the same vacuum supply and are not independent. The user may have forgotten to connect the valve on one side or the valve needs replacing or they have reduced milk supply on one side
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9.9
Exceptional
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9.9
Exceptional
Spectra

Spectra S1 Plus Hospital Grade Double Electric Breast Pump with Rechargeable Battery, Blue

Why we love it
  • Ultra quiet for distraction-free use.
  • Built-in rechargeable and durable battery.
  • Night light enhances nighttime visibility.
Main Highlights
  • Ultra Quiet
  • Night Light. Vacuum range 0 ~ 320 mmHg
  • Variable Suction and Cycle
  • Massage / Letdown Mode. Cycle length is 38-54 RPM and the motor life is 1500 hours
  • Built In Rechargeable battery. Manufacturer guidance is to allow 6 hours for first charge prior to useage
  • Note: Two sides connect to the same vacuum supply and are not independent. The user may have forgotten to connect the valve on one side or the valve needs replacing or they have reduced milk supply on one side
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Value for Money
2
Breast Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PCS Include 22 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories
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Breast Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PCS Include 22 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories

MilkFlow
Why we love it
  • Instant setup, no guesswork.
  • Durable and easy to clean.
  • Multiple flange sizes ensure fit.
Main Highlights
  • Seamless Spectra Pump Compatibility：Engineered for Spectra S1, S2, 9 Plus, and Synergy Gold breast pumps, Complete Replacement Kit content:2 Flanges (22mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, and 2 Bottles, No adapters, no guesswork—just secure click-and-go convenience. Whether you’re a first-time mom or a seasoned pro, setup should be instant and intuitive
  • Durable & Built Tough：Milkflow custom duckbill valves feature a reinforced base + non-slip grip zone, enabling dual-direction assembly/disassembly. Our design prevents direct pulling force on fragile top areas, significantly reducing deformation risks while minimizing tip cracking – extending part lifespan up to 1.3X longer
  • Find Your Ideal Fit:We offer 18 flanges inserts for spectra: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, to ensure a precise, comfortable fit. Same suction power as OEM parts.Proper sizing reduces discomfort, enhances milk output, and promotes a more efficient pumping experience—because comfort drives performance
  • Skin-Safe, Pumping-Friendly Design：Crafted from BPA-free, the ultra-smooth surface minimizes friction for skin—critical for extended or frequent pumping sessions. The low-noise design ensures discreet comfort, whether at home, work, or on the move
  • Leak-Proof Seal for Reliable Performance：Designed to form an airtight connection with Spectra wide-neck bottles and milkflow bottles, this flange prevents milk leakage—eliminating mess and stress. Pump at any hour, anywhere, with uncompromised reliability
  • Effortless Cleaning in Seconds：The smooth, crevice-free interior allows milk to rinse away quickly—no scrubbing required. Spend less time washing and more time resting, even during back-to-back sessions.
  • Compact & Travel-Ready Spectra Pump Parts：Lightweight and space-saving, these replacement pump parts are ideal for on-the-go mothers. Keep a set of Spectra pump parts in your diaper bag, office, or car—always-ready convenience for motherhood’s demands.
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9.9
Exceptional
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9.9
Exceptional
MilkFlow

Breast Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PCS Include 22 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories

Why we love it
  • Instant setup, no guesswork.
  • Durable and easy to clean.
  • Multiple flange sizes ensure fit.
Main Highlights
  • Seamless Spectra Pump Compatibility：Engineered for Spectra S1, S2, 9 Plus, and Synergy Gold breast pumps, Complete Replacement Kit content:2 Flanges (22mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, and 2 Bottles, No adapters, no guesswork—just secure click-and-go convenience. Whether you’re a first-time mom or a seasoned pro, setup should be instant and intuitive
  • Durable & Built Tough：Milkflow custom duckbill valves feature a reinforced base + non-slip grip zone, enabling dual-direction assembly/disassembly. Our design prevents direct pulling force on fragile top areas, significantly reducing deformation risks while minimizing tip cracking – extending part lifespan up to 1.3X longer
  • Find Your Ideal Fit:We offer 18 flanges inserts for spectra: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, to ensure a precise, comfortable fit. Same suction power as OEM parts.Proper sizing reduces discomfort, enhances milk output, and promotes a more efficient pumping experience—because comfort drives performance
  • Skin-Safe, Pumping-Friendly Design：Crafted from BPA-free, the ultra-smooth surface minimizes friction for skin—critical for extended or frequent pumping sessions. The low-noise design ensures discreet comfort, whether at home, work, or on the move
  • Leak-Proof Seal for Reliable Performance：Designed to form an airtight connection with Spectra wide-neck bottles and milkflow bottles, this flange prevents milk leakage—eliminating mess and stress. Pump at any hour, anywhere, with uncompromised reliability
  • Effortless Cleaning in Seconds：The smooth, crevice-free interior allows milk to rinse away quickly—no scrubbing required. Spend less time washing and more time resting, even during back-to-back sessions.
  • Compact & Travel-Ready Spectra Pump Parts：Lightweight and space-saving, these replacement pump parts are ideal for on-the-go mothers. Keep a set of Spectra pump parts in your diaper bag, office, or car—always-ready convenience for motherhood’s demands.
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3
Nuliie 10PCS Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield of Most Pumps, BPA Free Inserts, Compatible with Momcozy/Spectra/Bellababy/TSRETE/Nuliie Breast Pumps
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Nuliie 10PCS Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield of Most Pumps, BPA Free Inserts, Compatible with Momcozy/Spectra/Bellababy/TSRETE/Nuliie Breast Pumps

Nuliie
Why we love it
  • Increases milk production comfortably.
  • Easy cleaning and safety ensured.
  • Customer-friendly service and sizing.
Main Highlights
  • [HIGH COMPATIBILITY] Nuliie flange inserts 13/15/17/19/21mm (10pcs) fit most 24mm wearable breast pumps. It will reduce the 24mm shield nipple tunnel down to correct size. Note: Not compatible with 27-28mm shields.
  • [MUST-HAVE ACCESSORY FOR BREAST PUMPS] Achieve enhanced breast pumping, reduce pumping time, and maximize milk production by using the essential flange inserts for your breast pump. The comfortable and soft silicone material is designed to stimulate milk flow and increase comfort during use. With the added benefits of reduced pain and increased milk output, our breast pump flange inserts are a must-have for any breastfeeding mother needing to pump milk.
  • [SAFE & EASY TO CLEAN] Ensure safety and maximize the performance of your breast pump with our flange inserts. Made from food-grade liquid silicone and free from BPA, these inserts are easy to clean and dishwasher safe. We recommend washing the pump inserts promptly after each use and replacing them every 2 months to maintain optimal functionality. Plus, receive a complimentary cleaning brush for added convenience.
  • [CARING SERVICE] With our silicone flange inserts, you receive a free nipple measurement card to help you choose the perfect size. Compare the size of your nipple before and after pumping to ensure the most comfortable and effective fit. We offer 24/7 customer service support to answer any questions. If the size isn't right after purchase, take advantage of our free replacement service.
  • [FRIENDLY REMINDER] Nipple size can vary throughout different breastfeeding stages, requiring different sizes of flange inserts for your breast pump. If you're aware of your exact nipple size, we recommend purchasing the corresponding size directly. However, if you're unsure, we suggest starting with our 10-pack of Flange Inserts, which contains five different sizes to ensure you find the perfect fit.
  • Your order may come with either the new or old packaging, shipped randomly. Rest assured, both versions guarantee the same product inside.
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9.7
Exceptional
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9.7
Exceptional
Nuliie

Nuliie 10PCS Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield of Most Pumps, BPA Free Inserts, Compatible with Momcozy/Spectra/Bellababy/TSRETE/Nuliie Breast Pumps

Why we love it
  • Increases milk production comfortably.
  • Easy cleaning and safety ensured.
  • Customer-friendly service and sizing.
Main Highlights
  • [HIGH COMPATIBILITY] Nuliie flange inserts 13/15/17/19/21mm (10pcs) fit most 24mm wearable breast pumps. It will reduce the 24mm shield nipple tunnel down to correct size. Note: Not compatible with 27-28mm shields.
  • [MUST-HAVE ACCESSORY FOR BREAST PUMPS] Achieve enhanced breast pumping, reduce pumping time, and maximize milk production by using the essential flange inserts for your breast pump. The comfortable and soft silicone material is designed to stimulate milk flow and increase comfort during use. With the added benefits of reduced pain and increased milk output, our breast pump flange inserts are a must-have for any breastfeeding mother needing to pump milk.
  • [SAFE & EASY TO CLEAN] Ensure safety and maximize the performance of your breast pump with our flange inserts. Made from food-grade liquid silicone and free from BPA, these inserts are easy to clean and dishwasher safe. We recommend washing the pump inserts promptly after each use and replacing them every 2 months to maintain optimal functionality. Plus, receive a complimentary cleaning brush for added convenience.
  • [CARING SERVICE] With our silicone flange inserts, you receive a free nipple measurement card to help you choose the perfect size. Compare the size of your nipple before and after pumping to ensure the most comfortable and effective fit. We offer 24/7 customer service support to answer any questions. If the size isn't right after purchase, take advantage of our free replacement service.
  • [FRIENDLY REMINDER] Nipple size can vary throughout different breastfeeding stages, requiring different sizes of flange inserts for your breast pump. If you're aware of your exact nipple size, we recommend purchasing the corresponding size directly. However, if you're unsure, we suggest starting with our 10-pack of Flange Inserts, which contains five different sizes to ensure you find the perfect fit.
  • Your order may come with either the new or old packaging, shipped randomly. Rest assured, both versions guarantee the same product inside.
Show More
4
BALIME Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flange/Shields of All Breast Pump, Nipple Measurement Card, Compatible with Medela Elvie Momcozy Spectra Jheppbay Bellababy
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BALIME Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flange/Shields of All Breast Pump, Nipple Measurement Card, Compatible with Medela Elvie Momcozy Spectra Jheppbay Bellababy

BALIME
15% OffLimited time deal
Why we love it
  • Improves breastfeeding comfort and efficiency.
  • Multiple sizes for better fit.
  • Baby and mom-friendly silicone.
Main Highlights
  • Must Have Breast Pumps Accessories Kit : Mums new to the breastfeeding journey will inevitably struggle with feeding. This flange kit contains the breastfeeding essentials that new mums need with the aim of solving their feeding worries, it also helps to improve their comfort, promote milk secretion and increase efficiency of breast pump
  • Multiple Size & Better Fit Breast Pumps : Our flange inserts have a range of sizes(13/15/17/19/21 mm),are shorter,durable than long flange inserts.They are easier insertion into flanges/channels,more sealed and fit the body and breast pump.Compatible with most 24 mm channel breast pumps,such as Medela/Elvie/Momcozy/Spectra/Jheppbay/Bellababy.Note: Excludes compatibility with 27-28 mm shields
  • Effortlessly Usable : New mothers' nipple sizes change at different physiological times. To improve the fit of flange inserts and breast pumps, mums can use our nipple measurement cards to find the correct flange inserts as well as improving mum's breast feeding confidence
  • Baby & Mom Friendly : Our food grade silicone flange inserts is BPA free, soft to the skin and easy to clean (dishwasher safe). Comes with a free sponge cleaning brush to make the breastfeeding experience more comfortable and keep mums feeling good
  • Great Breastfeeding Supplies for New Mums : Our new mum essentials have simple but clear measurement instructions so that new mums can understand how to use them right away.Note: We recommend to clean the flange inserts immediately after each use and replace them every 2 months
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9.6
Superb
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9.6
Superb
BALIME

BALIME Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flange/Shields of All Breast Pump, Nipple Measurement Card, Compatible with Medela Elvie Momcozy Spectra Jheppbay Bellababy

15% OffLimited time deal
Why we love it
  • Improves breastfeeding comfort and efficiency.
  • Multiple sizes for better fit.
  • Baby and mom-friendly silicone.
Main Highlights
  • Must Have Breast Pumps Accessories Kit : Mums new to the breastfeeding journey will inevitably struggle with feeding. This flange kit contains the breastfeeding essentials that new mums need with the aim of solving their feeding worries, it also helps to improve their comfort, promote milk secretion and increase efficiency of breast pump
  • Multiple Size & Better Fit Breast Pumps : Our flange inserts have a range of sizes(13/15/17/19/21 mm),are shorter,durable than long flange inserts.They are easier insertion into flanges/channels,more sealed and fit the body and breast pump.Compatible with most 24 mm channel breast pumps,such as Medela/Elvie/Momcozy/Spectra/Jheppbay/Bellababy.Note: Excludes compatibility with 27-28 mm shields
  • Effortlessly Usable : New mothers' nipple sizes change at different physiological times. To improve the fit of flange inserts and breast pumps, mums can use our nipple measurement cards to find the correct flange inserts as well as improving mum's breast feeding confidence
  • Baby & Mom Friendly : Our food grade silicone flange inserts is BPA free, soft to the skin and easy to clean (dishwasher safe). Comes with a free sponge cleaning brush to make the breastfeeding experience more comfortable and keep mums feeling good
  • Great Breastfeeding Supplies for New Mums : Our new mum essentials have simple but clear measurement instructions so that new mums can understand how to use them right away.Note: We recommend to clean the flange inserts immediately after each use and replace them every 2 months
Show More
5
Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms
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Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms

Nursi Luna
Why we love it
  • Comfortable breastfeeding experience.
  • Customizable flange sizing kit.
  • Safe, BPA-free silicone material.
Main Highlights
  • Essential Breastfeeding Support for Moms: More than just an accessory—this nipple flange sizing kit is part of your true breastfeeding essentials. Correct sizing reduces discomfort, supports healthy pumping, and makes each session more effective for both new and experienced moms
  • Customized Comfort with Multiple Sizes: Every mom is unique. This flange sizing kit includes 10 soft silicone flange inserts (13/15/17/19/21mm), allowing you to find the right fit for each side. A proper fit ensures a secure seal, better suction, and a cozier pumping experience—an important piece of your breast feeding essentials
  • Easy Measuring with Nipple Ruler: No more guessing sizes. The included nipple measurement tool makes it simple to identify your correct fit, helping moms choose the right flange insert quickly and confidently
  • Safe and Gentle: Made from BPA-free, food-grade silicone, these flanges are soft, cushioned, and gentle on sensitive skin while supporting efficient milk flow. They’re easy to clean and maintain, with an included sponge brush for added convenience
  • Easy to Clean and Durable: Made for busy breastfeeding mothers, these silicone flange inserts are easy to clean and maintain. They can be sanitized with boiling water, ensuring that the accessories remain hygienic and durable
Show More
9.5
Superb
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9.5
Superb
Nursi Luna

Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield, Flange Sizing Kit Silicone Flanges Insert, Breastfeeding Essentials Kit for New Moms

Why we love it
  • Comfortable breastfeeding experience.
  • Customizable flange sizing kit.
  • Safe, BPA-free silicone material.
Main Highlights
  • Essential Breastfeeding Support for Moms: More than just an accessory—this nipple flange sizing kit is part of your true breastfeeding essentials. Correct sizing reduces discomfort, supports healthy pumping, and makes each session more effective for both new and experienced moms
  • Customized Comfort with Multiple Sizes: Every mom is unique. This flange sizing kit includes 10 soft silicone flange inserts (13/15/17/19/21mm), allowing you to find the right fit for each side. A proper fit ensures a secure seal, better suction, and a cozier pumping experience—an important piece of your breast feeding essentials
  • Easy Measuring with Nipple Ruler: No more guessing sizes. The included nipple measurement tool makes it simple to identify your correct fit, helping moms choose the right flange insert quickly and confidently
  • Safe and Gentle: Made from BPA-free, food-grade silicone, these flanges are soft, cushioned, and gentle on sensitive skin while supporting efficient milk flow. They’re easy to clean and maintain, with an included sponge brush for added convenience
  • Easy to Clean and Durable: Made for busy breastfeeding mothers, these silicone flange inserts are easy to clean and maintain. They can be sanitized with boiling water, ensuring that the accessories remain hygienic and durable
Show More
6
Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms
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Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms

Nursi Luna
Why we love it
  • Enhances comfort and efficiency.
  • Highly compatible, multiple sizes.
  • Safe, food-grade silicone.
Main Highlights
  • Better Sizing For Better Pumping: Nursi Luna Flange Sizing Kit 3-In-1 is developed by an IBCLC (International Board Certified Lactation Consultant) to help moms find the right flange size more easily. It helps reduce the confusion many moms face when standard breast pump flanges feel too large, uncomfortable, or not quite right, supporting a more comfortable pumping experience and improved pumping efficiency from the start.
  • Highly Compatible: This 10PCS flange sizing kit includes 5 sizes to choose from—13/15/17/19/21mm soft silicone flange inserts (2 of each size)—and fits most 24mm electric breast pump and manual breast pump flanges/shields. It helps size down the 24mm shield nipple tunnel for a better fit and more comfortable pumping. Note: Not compatible with 27-28mm shields.
  • Softer, More Comfortable Pumping: Made of BPA-free food-grade liquid silicone, these flange inserts feel softer and gentler than hard plastic flanges during daily pumping. The right size and soft material help improve fit, reduce discomfort caused by rubbing or squeezing, and support a more comfortable, smoother pumping experience with improved efficiency for daily pumping moms.
  • Easier Sizing Guidance: Developed by an IBCLC, this 3-in-1 nipple flange sizing kit includes a nipple measuring ruler and detailed instruction manual to help moms measure correctly and choose the right flange insert size. We recommend comparing nipple size before and after pumping for a better fit. Whether you need different sizes for each side or size changes over time, this 10PCS kit (13/15/17/19/21mm) offers flexible options for more comfortable, more efficient pumping.
  • Safe For Mom And Baby: Made of food-grade, BPA-free liquid silicone, these flange inserts are safe, reusable, easy to clean, and dishwasher safe. A sponge cleaning brush is included for added convenience. We recommend replacing inserts every 2 months to help maintain optimal suction. A practical breast pump accessory and a thoughtful registry essential for new moms.
Show More
9.4
Superb
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9.4
Superb
Nursi Luna

Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms

Why we love it
  • Enhances comfort and efficiency.
  • Highly compatible, multiple sizes.
  • Safe, food-grade silicone.
Main Highlights
  • Better Sizing For Better Pumping: Nursi Luna Flange Sizing Kit 3-In-1 is developed by an IBCLC (International Board Certified Lactation Consultant) to help moms find the right flange size more easily. It helps reduce the confusion many moms face when standard breast pump flanges feel too large, uncomfortable, or not quite right, supporting a more comfortable pumping experience and improved pumping efficiency from the start.
  • Highly Compatible: This 10PCS flange sizing kit includes 5 sizes to choose from—13/15/17/19/21mm soft silicone flange inserts (2 of each size)—and fits most 24mm electric breast pump and manual breast pump flanges/shields. It helps size down the 24mm shield nipple tunnel for a better fit and more comfortable pumping. Note: Not compatible with 27-28mm shields.
  • Softer, More Comfortable Pumping: Made of BPA-free food-grade liquid silicone, these flange inserts feel softer and gentler than hard plastic flanges during daily pumping. The right size and soft material help improve fit, reduce discomfort caused by rubbing or squeezing, and support a more comfortable, smoother pumping experience with improved efficiency for daily pumping moms.
  • Easier Sizing Guidance: Developed by an IBCLC, this 3-in-1 nipple flange sizing kit includes a nipple measuring ruler and detailed instruction manual to help moms measure correctly and choose the right flange insert size. We recommend comparing nipple size before and after pumping for a better fit. Whether you need different sizes for each side or size changes over time, this 10PCS kit (13/15/17/19/21mm) offers flexible options for more comfortable, more efficient pumping.
  • Safe For Mom And Baby: Made of food-grade, BPA-free liquid silicone, these flange inserts are safe, reusable, easy to clean, and dishwasher safe. A sponge cleaning brush is included for added convenience. We recommend replacing inserts every 2 months to help maintain optimal suction. A practical breast pump accessory and a thoughtful registry essential for new moms.
Show More
7
IVARONAL Flange Insert 2PCS 22mm Compatible with Momcozy Air1/W1/M9/M6/M5/S12 Pro/V1 Pro/V2 pro, Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges
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IVARONAL Flange Insert 2PCS 22mm Compatible with Momcozy Air1/W1/M9/M6/M5/S12 Pro/V1 Pro/V2 pro, Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges

IVARONAL
Why we love it
  • Broad compatibility with pumps.
  • Ten sizes for fit.
  • Safe silicone BPA-free.
Main Highlights
  • 【WIDE COMPATABILITY】：Our flange inserts can be compatible for momcozy’s latest models- Momcozy Air1/W1/M9/M6/M5 wearable breast pump and Momcozy V1 pro /V2/V1 hand-free breast pump. Our flange sizing kit is also engineered for a perfect fit with most 24mm Shields/Flanges, ensuring compatibility with leading brands such as for Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed 24mm wearable breast pump, offering a broad choice for almost every mother.
  • 【 Various Size Option to Fit You 】 :We offer 10 different size for your choose-13/14/15/16/17/18/19/20/21/22mm. Size can vary throughout different breastfeeding stages, requiring different sizes of flange inserts for your breast pump.Correct size flange inserts help moms pump more comfortably and efficiently.
  • 【High Quality ,Safe and Comfortable】: Our Flange insert kits are crafty from food-grade silicone material ,BPA-free,providing you with the assurance to use it confidently. The soft-touch material provides a snug fit, promoting efficient pumping without causing irritation or discomfort.
  • 【 Easy to Clean】: Washing the pump inserts promptly after each use,hey can be sanitized using water steam, boiling water, or microwave-steam bags, ensuring a hygienic and durable pumping accessory.We recommend that replacing them every 2 months to maintain optimal functionality.
  • 【Package Content】:2pcs*21mm flange inserts in the package.Your satisfaction is our encouragement to pursue high-quality service and products, please reach out to us if there is something we can help, Our dedicated service team is committed to providing you with the best possible solution and ensuring your satisfaction.
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9.3
Superb
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9.3
Superb
IVARONAL

IVARONAL Flange Insert 2PCS 22mm Compatible with Momcozy Air1/W1/M9/M6/M5/S12 Pro/V1 Pro/V2 pro, Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges

Why we love it
  • Broad compatibility with pumps.
  • Ten sizes for fit.
  • Safe silicone BPA-free.
Main Highlights
  • 【WIDE COMPATABILITY】：Our flange inserts can be compatible for momcozy’s latest models- Momcozy Air1/W1/M9/M6/M5 wearable breast pump and Momcozy V1 pro /V2/V1 hand-free breast pump. Our flange sizing kit is also engineered for a perfect fit with most 24mm Shields/Flanges, ensuring compatibility with leading brands such as for Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed 24mm wearable breast pump, offering a broad choice for almost every mother.
  • 【 Various Size Option to Fit You 】 :We offer 10 different size for your choose-13/14/15/16/17/18/19/20/21/22mm. Size can vary throughout different breastfeeding stages, requiring different sizes of flange inserts for your breast pump.Correct size flange inserts help moms pump more comfortably and efficiently.
  • 【High Quality ,Safe and Comfortable】: Our Flange insert kits are crafty from food-grade silicone material ,BPA-free,providing you with the assurance to use it confidently. The soft-touch material provides a snug fit, promoting efficient pumping without causing irritation or discomfort.
  • 【 Easy to Clean】: Washing the pump inserts promptly after each use,hey can be sanitized using water steam, boiling water, or microwave-steam bags, ensuring a hygienic and durable pumping accessory.We recommend that replacing them every 2 months to maintain optimal functionality.
  • 【Package Content】:2pcs*21mm flange inserts in the package.Your satisfaction is our encouragement to pursue high-quality service and products, please reach out to us if there is something we can help, Our dedicated service team is committed to providing you with the best possible solution and ensuring your satisfaction.
Show More
8
Flange Inserts for Breast Pumps & Accessories Flange Sizing Kit Compatible with Momcozy Breast Pump Flange Insert Lansinoh/Spectra/Haakaa/Nullie/Medela Breast Pump Electrical (21/19/17/15mm 8PCS)
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Flange Inserts for Breast Pumps & Accessories Flange Sizing Kit Compatible with Momcozy Breast Pump Flange Insert Lansinoh/Spectra/Haakaa/Nullie/Medela Breast Pump Electrical (21/19/17/15mm 8PCS)

Hranio
Why we love it
  • Compatible with various pumps.
  • Easy to clean and maintain.
  • Safe, BPA-free silicone material.
Main Highlights
  • 【Compatibility】The 21/19/17/15mm Flange Inserts for breast pump are breast pumps & accessories that can be used with most 24mm Shields/Flanges.Compatible with any S9 Pro/S12 Pro/S9/S12 wearable breast pump. (For example, compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Hands-Free breast pump). Use with 24mm breast Shields for TSRETE/Medela/Spectra/Elvie/Willow/Bellaaby/Motif Luna/Ameda MYA/Ainsir/Phanpy/Lulia/NaNaLazy/Luxlady/kidzio/eulumap/Teexin/Fisroa/KISSBOBO/Goldeep/BIOBOO/Mumeasy/Nanawawa/TOVVILD/CPPSLEE and others.
  • 【Attention】These flange inserts for breast pump are only suitable for 24mm Shields/Flanges and cannot be used with other sizes of Shields/Flanges. Using coconut oil or nipple butter can reduce friction and make them easier to use.
  • 【Easy Cleaning】After each use, wash the replacement pump parts with warm soapy water and rinse them thoroughly.
  • 【Safety】Made of transparent silicone material, our breast pumps & accessories is BPA-free, you can use our flange inserts for breast pump with confidence.
  • 【Replacement】The size of your flange inserts for breast pump is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling while pumping, so it's important to monitor the appearance of the nipple during pumping. It is recommended to replace the flange insert every 1 to 2 months. Please ensure you choose the correct size.
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9.2
Superb
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9.2
Superb
Hranio

Flange Inserts for Breast Pumps & Accessories Flange Sizing Kit Compatible with Momcozy Breast Pump Flange Insert Lansinoh/Spectra/Haakaa/Nullie/Medela Breast Pump Electrical (21/19/17/15mm 8PCS)

Why we love it
  • Compatible with various pumps.
  • Easy to clean and maintain.
  • Safe, BPA-free silicone material.
Main Highlights
  • 【Compatibility】The 21/19/17/15mm Flange Inserts for breast pump are breast pumps & accessories that can be used with most 24mm Shields/Flanges.Compatible with any S9 Pro/S12 Pro/S9/S12 wearable breast pump. (For example, compatible with Momcozy S12 Pro/S9 Pro/S12/S9 Hands-Free breast pump). Use with 24mm breast Shields for TSRETE/Medela/Spectra/Elvie/Willow/Bellaaby/Motif Luna/Ameda MYA/Ainsir/Phanpy/Lulia/NaNaLazy/Luxlady/kidzio/eulumap/Teexin/Fisroa/KISSBOBO/Goldeep/BIOBOO/Mumeasy/Nanawawa/TOVVILD/CPPSLEE and others.
  • 【Attention】These flange inserts for breast pump are only suitable for 24mm Shields/Flanges and cannot be used with other sizes of Shields/Flanges. Using coconut oil or nipple butter can reduce friction and make them easier to use.
  • 【Easy Cleaning】After each use, wash the replacement pump parts with warm soapy water and rinse them thoroughly.
  • 【Safety】Made of transparent silicone material, our breast pumps & accessories is BPA-free, you can use our flange inserts for breast pump with confidence.
  • 【Replacement】The size of your flange inserts for breast pump is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling while pumping, so it's important to monitor the appearance of the nipple during pumping. It is recommended to replace the flange insert every 1 to 2 months. Please ensure you choose the correct size.
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9
10PCS Breast Pump Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield, Soft Silicone Sizing Kit – Compatible with Momcozy, Spectra, Medela, Elvie & Most Wearable Pumps
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10PCS Breast Pump Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield, Soft Silicone Sizing Kit – Compatible with Momcozy, Spectra, Medela, Elvie & Most Wearable Pumps

MilkFlow
Why we love it
  • Ensures a perfect fit.
  • Broad compatibility with pumps.
  • Soft, hygienic silicone inserts.
Main Highlights
  • Full Size Coverage for Perfect Fit: Includes 10 silicone flange inserts in 5 key sizes (13, 15, 17, 19, 21mm)—ideal for adapting a standard 24mm flange/shield down to your exact nipple tunnel size, supporting precise fit and improving pumping comfort
  • Broad 24mm Pump Compatibility: Specifically designed for 24mm flange breast pumps, compatible with popular wearable and electric brands such as Momcozy, Spectra, Medela, Elvie, Lansinoh, Bellababy and more—offering a universal fit for most UK wearable and standard breast pump shields
  • Soft, Safe & Hygienic Silicone: Crafted from food-grade, BPA-free silicone, these inserts are gentle against sensitive skin, provide secure suction without irritation, and are easy to clean by hand or dishwasher—keeping your pumping sessions hygienic and comfortable
  • Improve Comfort & Milk Flow: Finding the correct flange diameter helps reduce nipple irritation and pain, enhances milk flow and pumping efficiency, and can support better milk output as your pumping journey evolves
  • Easy Installation & Cleaning: Easy to insert and remove from your existing 24mm flange/shield. Dishwasher safe (top rack) or hand wash with warm soapy water for quick cleaning—perfect for busy daily pumping routines
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9.0
Superb
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9.0
Superb
MilkFlow

10PCS Breast Pump Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield, Soft Silicone Sizing Kit – Compatible with Momcozy, Spectra, Medela, Elvie & Most Wearable Pumps

Why we love it
  • Ensures a perfect fit.
  • Broad compatibility with pumps.
  • Soft, hygienic silicone inserts.
Main Highlights
  • Full Size Coverage for Perfect Fit: Includes 10 silicone flange inserts in 5 key sizes (13, 15, 17, 19, 21mm)—ideal for adapting a standard 24mm flange/shield down to your exact nipple tunnel size, supporting precise fit and improving pumping comfort
  • Broad 24mm Pump Compatibility: Specifically designed for 24mm flange breast pumps, compatible with popular wearable and electric brands such as Momcozy, Spectra, Medela, Elvie, Lansinoh, Bellababy and more—offering a universal fit for most UK wearable and standard breast pump shields
  • Soft, Safe & Hygienic Silicone: Crafted from food-grade, BPA-free silicone, these inserts are gentle against sensitive skin, provide secure suction without irritation, and are easy to clean by hand or dishwasher—keeping your pumping sessions hygienic and comfortable
  • Improve Comfort & Milk Flow: Finding the correct flange diameter helps reduce nipple irritation and pain, enhances milk flow and pumping efficiency, and can support better milk output as your pumping journey evolves
  • Easy Installation & Cleaning: Easy to insert and remove from your existing 24mm flange/shield. Dishwasher safe (top rack) or hand wash with warm soapy water for quick cleaning—perfect for busy daily pumping routines
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10
17mm Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces 16 mm Spectra Shield; Standard Flange
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17mm Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces 16 mm Spectra Shield; Standard Flange

Maymom
Why we love it
  • Compatible with multiple bottles.
  • BPA free, safe materials.
  • Dishwasher and steam safe.
Main Highlights
  • Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 17mm wide mouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for spectra s2 accessory replacement.
  • BPA free; Complies with US FDA regulation for plastics that contact foods
  • Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.
  • Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.
  • Dishwasher toprack safe; Steam safe sterilization;
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8.9
Excellent
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8.9
Excellent
Maymom

17mm Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Incl Wide Mouth Flange; Not Original Spectra Flange; Replaces 16 mm Spectra Shield; Standard Flange

Why we love it
  • Compatible with multiple bottles.
  • BPA free, safe materials.
  • Dishwasher and steam safe.
Main Highlights
  • Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 17mm wide mouth flange compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for spectra s2 accessory replacement.
  • BPA free; Complies with US FDA regulation for plastics that contact foods
  • Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.
  • Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.
  • Dishwasher toprack safe; Steam safe sterilization;
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We scanned 747 products

We reviewed these offers relevant to the Flange Inserts For Breast Pump Spectra within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Spectra, MilkFlow, Nuliie, BALIME, Nursi Luna, IVARONAL, Hranio, Maymom, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Flange Inserts For Breast Pump Spectra in the market, we considered we took a deep dive into 3736 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: