Are you looking for the best compatible flanges to make pumping more comfortable and efficient? We’ve tested and reviewed the top 10 options to help you find the perfect fit for a better pumping experience.
Finding the right flange can make pumping more comfortable and efficient. Many moms struggle with nipple pain or low milk output because their flange doesn’t fit well. Compatible flanges offer a perfect solution for a better pumping experience.
We’ve tested and reviewed the best compatible flanges to help you find the right fit. From soft silicone inserts to durable replacements, these options work with popular breast pump brands. Discover how the right flange can transform your pumping routine.
List of Top 10 Compatible Flanges
| Image | Title | Best For | Price |
|---|---|---|---|
 |
Nuliie Silicone Flange Inserts 13/15/17/19/21mm 10PCS for 24mm Breast Pump |
Nuliie Silicone Flange Inserts are perfect for breastfeeding mothers who pump milk. They enhance comfort and efficiency, making pumping easier and more effective. |
|
 |
Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange |
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps. It’s great for those needing 19mm flanges or duckbill valves that work well with their pump. |
|
 |
Maymom 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve |
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps and need extra small 17mm flanges or durable duckbill valves. It’s BPA-free, easy to clean, and works with wide-neck bottles. |
|
 |
Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size |
This product is perfect for breastfeeding moms who want a comfortable and efficient pumping experience. It’s ideal for those using Momcozy, Medela, Spectra, or similar breast pumps and need the right flange size for less pain and more milk. |
|
 |
Maymom 18mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve |
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps. It’s easy to use, safe, and works just like the original parts. |
|
 |
19mm Oval Flanges Shields Compatible with Medela Pumps, Replacement Parts for Pump in Style, Symphony, Swing Maxi, Harmony and Personalfit Flex–Breast Pump Accessories |
This product is perfect for breastfeeding moms who use Medela pumps. It offers comfort and efficiency for a better pumping experience. |
|
 |
Maymom Widemouth Connector 2pc Compatible w Spectra S1 Spectra S2 Pump; Compatible with Medela PersonalFit Shield, Pumpin Pal Shield, Lansinoh Flange, Maymom MyFit Shields, MyFit Crater Shield |
This product is perfect for moms who use Spectra S1 or S2 pumps and want compatible accessories. It’s great for those needing replacement parts or hands-free pumping with a bra. |
|
 |
Flange Inserts 21mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges, Reduce 24mm Nipple Tunnel Down to 21 mm, 4PCS |
Suniceme Flange Inserts 21mm are perfect for breastfeeding moms who use 24mm breast pump shields and need a smaller, more comfortable fit. These BPA-free silicone inserts work with popular pump brands like Medela, Spectra, and Momcozy, making pumping easier and more efficient. |
|
 |
Momstouch 18mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts, Not Original, Replace Accessories. |
This product is perfect for mothers who use Spectra S1, S2, or 9 Plus breast pumps and need replacement parts. It’s ideal for those with nipple diameters of 14-16mm looking for compatible, BPA-free accessories. |
|
 |
Suniceme Flange Inserts 17mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges, Reduce 24mm Nipple Tunnel Down to 17 mm, 4PCS |
Suniceme Flange Inserts are perfect for breastfeeding moms who use 24mm breast pump shields. They’re great for those needing a smaller 17mm fit for more comfort and efficiency. |
Detailed Reviews
Discover the top 10 compatible flanges for a comfortable and efficient pumping experience. Our guide combines expert analysis and customer feedback to help you find the perfect fit. Whether you prioritize comfort, affordability, or performance, we’ve got you covered. Read on to find the best compatible flanges tailored to your needs!
1. Nuliie Silicone Flange Inserts 13/15/17/19/21mm 10PCS for 24mm Breast Pump
Nuliie Silicone Flange Inserts make pumping more comfortable and efficient. They fit most 24mm breast pumps, reducing the nipple tunnel to the perfect size for you.
Soft silicone ensures a gentle fit, and they’re easy to clean. Includes a free cleaning brush and nipple measurement ruler for your convenience.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Nuliie Silicone Flange Inserts are perfect for breastfeeding mothers who pump milk. They enhance comfort and efficiency, making pumping easier and more effective.
Ready to Purchase?
2. Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange
Maymom 19mm Flange and Duckbill Valve works with Spectra S1, S2, and 9 Plus breastpumps. It’s not an original Spectra product but a compatible alternative. Made by Maymom, it’s a reliable choice for your pumping needs.
These parts are easy to use and interchangeable with Spectra pump parts. They offer the same suction power as the original parts, ensuring smooth performance.
The BPA/DEHP-free materials are safe for food contact and easy to clean. They’re dishwasher-safe and can be sterilized in various ways, making them convenient for busy parents.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps. It’s great for those needing 19mm flanges or duckbill valves that work well with their pump.
Ready to Purchase?
3. Maymom 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve
Maymom 17mm Flange and Duckbill Valve is compatible with Spectra S1, S2, and 9 Plus pumps. It includes 2 extra small 17mm flanges and 2 duckbill valves. These parts are not original Spectra replacements but work just as well.
The Maymom duckbill valves are easy to use, durable, and come in different colors. The flanges fit Spectra wide-neck bottles and are compatible with Avent and Maymom bottles. They are available in many sizes to fit your needs.
Both parts are BPA/DEHP free and FDA compliant. They are safe to clean in the dishwasher, steam, or boil. Always check with a lactation consultant before using.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps and need extra small 17mm flanges or durable duckbill valves. It’s BPA-free, easy to clean, and works with wide-neck bottles.
Ready to Purchase?
4. Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield, Reduce 24mm Tunnel Down to Correct Size
Flange inserts make pumping more comfortable. They come in five sizes to fit your needs. Each set includes 10 pieces, a measuring tool, and a cleaning brush.
These inserts work with many breast pumps. They are safe and gentle on skin. Made from food-grade silicone, they are BPA-free.
Using the right size means less pain and more milk. Cleaning is easy with the included brush. Replace inserts every two months for best results.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for breastfeeding moms who want a comfortable and efficient pumping experience. It’s ideal for those using Momcozy, Medela, Spectra, or similar breast pumps and need the right flange size for less pain and more milk.
Ready to Purchase?
5. Maymom 18mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve
Maymom 18mm Flange and Duckbill Valve are compatible with Spectra S1, S2, and 9 Plus breast pumps. They are not original Spectra parts but work just as well.
These parts are easy to use, durable, and come in different colors. They fit wide-neck bottles and are safe for cleaning.
BPA/DEHP free and FDA compliant, these parts are tested for safety. They are sealed by the manufacturer and ready to use.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps. It’s easy to use, safe, and works just like the original parts.
Ready to Purchase?
6. 19mm Oval Flanges Shields Compatible with Medela Pumps, Replacement Parts for Pump in Style, Symphony, Swing Maxi, Harmony and Personalfit Flex–Breast Pump Accessories
PumpMom 19mm oval flanges work with Medela breast pumps. They fit Pump in Style, Symphony, Swing Maxi, and more. These replacement parts make pumping more comfortable.
The soft-rimmed shields and oval shape help you find the best fit. They are BPA-free and made from safe materials.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for breastfeeding moms who use Medela pumps. It offers comfort and efficiency for a better pumping experience.
Ready to Purchase?
7. Maymom Widemouth Connector 2pc Compatible w Spectra S1 Spectra S2 Pump; Compatible with Medela PersonalFit Shield, Pumpin Pal Shield, Lansinoh Flange, Maymom MyFit Shields, MyFit Crater Shield
The Maymom Widemouth Connector is a 2-piece set designed for breast pump compatibility. It works with Spectra S1, S2, and 9 Plus pumps. You need to add a shield to make it a complete flange.
This connector is hands-free pump bra friendly. It fits Spectra, AVENT, and Maymom wide mouth bottles. Not compatible with other wide mouth bottles.
The product is BPA-free and dishwasher safe. It meets US FDA standards for food-safe plastics. Maymom is not affiliated with Spectra.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for moms who use Spectra S1 or S2 pumps and want compatible accessories. It’s great for those needing replacement parts or hands-free pumping with a bra.
Ready to Purchase?
8. Flange Inserts 21mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges, Reduce 24mm Nipple Tunnel Down to 21 mm, 4PCS
Suniceme Flange Inserts are breast pump accessories that fit most 24mm shields/flanges. They reduce the nipple tunnel from 24mm to 21mm, making pumping more comfortable.
These inserts are compatible with popular brands like Medela, Spectra, and Momcozy. Made from BPA-free, food-grade silicone, they are safe for moms and babies.
Easy to clean and sanitize. Replace every 1-2 months for best results. Pump efficiently with the right fit.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Suniceme Flange Inserts 21mm are perfect for breastfeeding moms who use 24mm breast pump shields and need a smaller, more comfortable fit. These BPA-free silicone inserts work with popular pump brands like Medela, Spectra, and Momcozy, making pumping easier and more efficient.
Ready to Purchase?
9. Momstouch 18mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts, Not Original, Replace Accessories.
Momstouch offers 18mm flanges and duckbill valves that work with Spectra S1, S2, and 9 Plus breastpumps. These parts are not original Spectra accessories but are compatible replacements.
The duckbill valves are easy to install and made from durable material that resists wear. Momstouch flanges fit various bottle types, including Spectra, AVENT, and Momstouch wide-mouth bottles.
BPA-free materials ensure safety. Sanitize easily with steam, boiling water, or microwave bags. Available in many sizes for a perfect fit.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for mothers who use Spectra S1, S2, or 9 Plus breast pumps and need replacement parts. It’s ideal for those with nipple diameters of 14-16mm looking for compatible, BPA-free accessories.
Ready to Purchase?
10. Suniceme Flange Inserts 17mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges, Reduce 24mm Nipple Tunnel Down to 17 mm, 4PCS
Suniceme Flange Inserts are breast pump accessories that fit most 24mm shields/flanges. They reduce the nipple tunnel size from 24mm to 17mm, making pumping more comfortable and efficient.
These inserts are BPA-free and made of food-grade silicone, safe for both moms and babies. They are easy to clean and compatible with many popular breast pump brands.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Suniceme Flange Inserts are perfect for breastfeeding moms who use 24mm breast pump shields. They’re great for those needing a smaller 17mm fit for more comfort and efficiency.
Ready to Purchase?
Buying Guide
Finding the right flange can make pumping more comfortable and efficient. Many moms struggle with nipple pain or low milk output because their flange doesn’t fit well. Compatible flanges offer a perfect solution for a better pumping experience.
Choosing the best compatible flange can transform your pumping routine. Here’s what to consider to find the right fit for you:
- Size: Measure your nipple to ensure the flange fits perfectly. The wrong size can cause pain or reduce milk flow.
- Material: Look for soft silicone or BPA-free materials. They’re gentle on the skin and safe for you and your baby.
- Compatibility: Check if the flange works with your breast pump brand. Many options are designed for popular pumps like Spectra, Medela, or Momcozy.
- Ease of Cleaning: Choose flanges that are dishwasher-safe or easy to sanitize. This saves time for busy parents.
- Durability: Opt for durable replacements that last longer. Flanges that wear out quickly can be frustrating.
- Additional Features: Some flanges come with cleaning brushes or measurement tools. These extras can make your life easier.
- Price: Compare prices to find a flange that fits your budget without compromising quality.
With the right flange, pumping becomes a pain-free and efficient process. Explore the options to find the best fit for your needs.