Looking for the best replacement flanges to enhance your pumping experience? We’ve curated a list of the top 10 options that promise comfort, safety, and reliability for every mom.
Finding the perfect replacement flanges for your breast pump can make a huge difference in your pumping experience. Whether you’re looking for a better fit, durability, or affordability, the right flanges can boost comfort and efficiency. We’ve done the research to bring you the best options available.
From Maymom to Momstouch, these brands offer compatible parts that work seamlessly with popular pumps like Spectra S1, S2, and 9 Plus. They’re BPA-free, easy to clean, and designed to match the suction power of original parts. Plus, they come in multiple sizes to ensure a perfect fit for every mom.
Ready to upgrade your pumping routine? Let’s dive into the top picks that promise comfort, safety, and reliability.
List of Top 10 Replacement Flanges
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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 and need reliable, compatible parts. It’s ideal for those seeking 19mm flanges or duckbill valves that are easy to use and clean. |
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Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 21mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 Accessories |
This replacement kit is perfect for moms who use Spectra S2, S1, or 9 Plus pumps and need affordable, compatible parts. It’s great for travel and safe for storing milk. |
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19mm Flange Maymom Pump Parts Compatible with Spectra S2 S1 9 Plus Replacement Kit Not Original Spectra S2 S1 Replacement Pump Parts |
This 19mm Flange Maymom Pump Parts Kit is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps and need replacement parts. It’s ideal for those with a nipple diameter of 17–18mm after pumping. |
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Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Pump Kit, 17mm Flange Valve Tube Bottle Backflow Protector, Not Original Spectra Replacement Pump Parts S2 S1 Accessories |
This Maymom Pump Parts Kit is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps and need affordable, compatible replacements. It’s great for travel and safe for storing milk. |
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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 moms using Spectra S1, S2, or 9 Plus pumps who need reliable replacement parts. It’s great for those with nipples sized 14-16mm seeking BPA-free, easy-to-clean accessories. |
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Maymom Pump Parts Compatible with Spectra S2 S1, 18mm Flange Valve Tube Bottle Backflow Protector, Not Original Spectra S2 Replacement Pump Parts Duckbill Valve Bottle |
This product is perfect for moms who use Spectra S2, S1, or 9 Plus pumps and need compatible, affordable parts. It’s great for travel and storing milk securely. |
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eufy Wearable Breast Pump E20/S1/S1 Pro, 24mm Flange (2-Pack) |
This 24mm flange 2-pack is perfect for moms using the eufy E20/S1/S1 Pro breast pump. It offers a comfy, warm pumping experience with easy cleaning and reliable performance. |
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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 using Spectra S1, S2, or 9 Plus pumps who need reliable 17mm flanges and easy-to-use duckbill valves. It’s safe, durable, and compatible with wide-neck bottles. |
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Momstouch 21mm 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 17-19mm looking for BPA-free, easy-to-clean accessories. |
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Maymom 20 mm 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 great for those needing replacement parts like flanges and duckbill valves that are safe, durable, and easy to use. |
Detailed Reviews
Discover the top 10 replacement flanges for your breast pump, carefully selected based on expert reviews and customer feedback. Each product is evaluated for comfort, performance, and value, ensuring you find the perfect fit. Whether you prioritize affordability or ease of use, this guide has you covered. Read on to find the best replacement flanges tailored to your needs.
1. 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 are compatible with Spectra S1, S2, and 9 Plus breastpumps. They are not original Spectra accessories but work just as well. Made by Maymom, these parts are interchangeable with Spectra pump parts.
Maymom duckbill valves are easy to use, durable, and come in different colors. Maymom flanges fit Spectra wide-neck bottles, Avent bottles, and Maymom bottles. They come in 11 sizes to ensure a perfect fit.
BPA/DEHP free and FDA compliant. Safe for dishwasher, steam, and boiling. Tested by an independent lab.
| Pros | Cons |
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Perfect For:
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps and need reliable, compatible parts. It’s ideal for those seeking 19mm flanges or duckbill valves that are easy to use and clean.
Ready to Purchase?
2. Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 21mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 Accessories
Maymom Pump Parts are compatible with Spectra S2, S1, and 9 Plus breast pumps. This replacement kit includes 21mm flanges, duckbill valves, backflow protectors, tubes, and bottles. Check the size guide before buying to ensure a perfect fit.
The bottles come with one-piece travel caps that seal tightly, preventing milk spills. These caps are great for storing milk or formula and converting bottles into snack containers. Maymom parts match OEM suction power and are interchangeable with Spectra parts.
Made from BPA-free material, these parts are safe for food contact and meet FDA/EU standards. They are easy to clean using steam, boiling water, or microwave-steam bags. Maymom is not an original Spectra brand, but offers quality and safety.
| Pros | Cons |
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Perfect For:
This replacement kit is perfect for moms who use Spectra S2, S1, or 9 Plus pumps and need affordable, compatible parts. It’s great for travel and safe for storing milk.
Ready to Purchase?
3. 19mm Flange Maymom Pump Parts Compatible with Spectra S2 S1 9 Plus Replacement Kit Not Original Spectra S2 S1 Replacement Pump Parts
Upgrade your pumping experience with the 19mm Flange Maymom Pump Parts Kit. Compatible with Spectra S2, S1, and 9 Plus, this kit includes everything you need for a smooth and efficient session. Not original Spectra parts, but designed to work seamlessly.
All parts are BPA-free and meet strict safety standards, including FDA and EU regulations. Easy to clean and perfect for travel, this kit ensures a secure seal and no milk waste.
| Pros | Cons |
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Perfect For:
This 19mm Flange Maymom Pump Parts Kit is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps and need replacement parts. It’s ideal for those with a nipple diameter of 17–18mm after pumping.
Ready to Purchase?
4. Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Pump Kit, 17mm Flange Valve Tube Bottle Backflow Protector, Not Original Spectra Replacement Pump Parts S2 S1 Accessories
The Maymom Pump Parts Kit is compatible with Spectra S2, S1, and 9 Plus breast pumps. It includes 17mm flanges, valves, tubes, bottles, and backflow protectors. These parts are not original Spectra accessories but work just as well.
Flanges fit nipples 15–16mm in size. Check your size before buying. All parts are BPA-free and safe for use.
The bottles have leak-proof caps for travel. Parts are FDA-registered and easy to clean. Maymom offers many flange sizes for a perfect fit.
| Pros | Cons |
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Perfect For:
This Maymom Pump Parts Kit is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps and need affordable, compatible replacements. It’s great for travel and safe for storing milk.
Ready to Purchase?
5. 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 for Spectra S1, S2, and 9 Plus breast pumps. These replacement parts are not original Spectra accessories. They fit mothers with nipple diameters of 14-16mm.
The duckbill valve is easy to install and resists wear. Momstouch flanges work with wide-mouth bottles, including Spectra, AVENT, and Momstouch brands.
All materials are BPA-free and safe for sanitizing. Use steam, boiling water, or microwave-steam bags. Momstouch parts match OEM suction power, ensuring reliable performance.
| Pros | Cons |
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Perfect For:
This product is perfect for moms using Spectra S1, S2, or 9 Plus pumps who need reliable replacement parts. It’s great for those with nipples sized 14-16mm seeking BPA-free, easy-to-clean accessories.
Ready to Purchase?
6. Maymom Pump Parts Compatible with Spectra S2 S1, 18mm Flange Valve Tube Bottle Backflow Protector, Not Original Spectra S2 Replacement Pump Parts Duckbill Valve Bottle
Maymom pump parts are compatible with Spectra S2, S1, and 9 Plus breast pumps. The kit includes 18mm flanges, duckbill valves, backflow protectors, tubes, and bottles. These parts are not original Spectra accessories but work just as well.
All parts are made by Maymom, offering same suction power as OEM parts. The one-piece travel caps ensure no milk waste and are perfect for travel or storage. Multiple flange sizes are available to fit different needs.
The product is US FDA registered and BPA-free, ensuring safety and quality. It’s easy to clean with steam, boiling water, or microwave-steam bags. Maymom is not affiliated with Spectra, but the parts are reliable and tested.
| Pros | Cons |
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Perfect For:
This product is perfect for moms who use Spectra S2, S1, or 9 Plus pumps and need compatible, affordable parts. It’s great for travel and storing milk securely.
Ready to Purchase?
7. eufy Wearable Breast Pump E20/S1/S1 Pro, 24mm Flange (2-Pack)
The eufy Wearable Breast Pump E20/S1/S1 Pro 24mm Flange (2-Pack) is designed for comfort. It works only with eufy E20, S1, and S1 Pro pumps. The soft silicone flange ensures a secure fit.
Enjoy warm, smooth pumping with HeatFlow technology. Cleaning is easy—just use warm, soapy water or the dishwasher.
This flange is durable and reliable, lasting up to 3 months. It’s compatible with third-party inserts and comes with a 90-day warranty.
| Pros | Cons |
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Perfect For:
This 24mm flange 2-pack is perfect for moms using the eufy E20/S1/S1 Pro breast pump. It offers a comfy, warm pumping experience with easy cleaning and reliable performance.
Ready to Purchase?
8. 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 breast 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 Avent bottles. They are available in 11 sizes to match 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 buying.
| Pros | Cons |
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Perfect For:
This product is perfect for breastfeeding moms using Spectra S1, S2, or 9 Plus pumps who need reliable 17mm flanges and easy-to-use duckbill valves. It’s safe, durable, and compatible with wide-neck bottles.
Ready to Purchase?
9. Momstouch 21mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts, Not Original, Replace Accessories.
Momstouch offers 21mm flanges and duckbill valves that work with Spectra S1, S2, and 9 Plus breastpumps. These parts are not original Spectra accessories but are compatible and interchangeable. They are BPA-free and easy to clean.
The flanges fit nipple diameters of 17-19mm and work with wide-mouth bottles from Spectra, AVENT, and Momstouch. The duckbill valves are simple to install and remove, making pumping hassle-free.
| Pros | Cons |
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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 17-19mm looking for BPA-free, easy-to-clean accessories.
Ready to Purchase?
10. Maymom 20 mm 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 offers 20mm flanges and duckbill valves that work with Spectra S1, S2, and 9 Plus pumps. These parts are not original Spectra, but they fit perfectly. They are made by Maymom, a trusted brand for pump accessories.
The duckbill valves are easy to use and come in durable quality. The flanges work with wide-neck bottles, including Spectra, Avent, and Maymom. Both parts match the suction power of original Spectra parts.
These BPA/DEHP-free parts are safe for food contact and FDA compliant. They are easy to clean and tested for safety. Maymom ensures reliable performance for your pumping needs.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps. It’s great for those needing replacement parts like flanges and duckbill valves that are safe, durable, and easy to use.
Ready to Purchase?
Buying Guide
Finding the perfect replacement flanges can make pumping easier and more comfortable. The right fit boosts efficiency and reduces discomfort. We’ve researched the best options to help you choose.
Factors to Consider When Buying Replacement Flanges:
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Compatibility: Ensure the flanges work with your breast pump model. Brands like Maymom and Momstouch offer parts for Spectra S1, S2, and 9 Plus.
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Size: Flanges come in multiple sizes (e.g., 17mm, 19mm, 21mm). Measure your nipple diameter for a perfect fit.
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Material: Choose BPA-free and FDA-compliant materials for safety. Most options are safe for dishwasher, steam, or boiling.
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Ease of Cleaning: Look for parts that are easy to clean and sanitize. Many are dishwasher-safe or compatible with microwave-steam bags.
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Durability: Opt for durable materials that resist wear and tear. Maymom and Momstouch parts are known for longevity.
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Suction Power: Ensure the flanges match the suction power of your pump for efficient pumping.
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Affordability: Compare prices to find a balance between quality and cost. Replacement kits often offer better value.
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Travel-Friendly: Some kits include leak-proof caps for storing milk or converting bottles into snack containers, ideal for travel.
With these factors in mind, you’ll find the best replacement flanges to enhance your pumping experience.