Best Replacement Flanges

Looking for the best replacement flanges to enhance your pumping experience? We’ve curated a list of top-rated options from trusted brands like PumpMom-us, Maymom, and Momstouch, offering BPA-free, easy-to-clean, and compatible solutions for a smoother and more comfortable pumping routine.

Finding the right replacement flanges for your breast pump can make a big difference in your pumping experience. Comfort and efficiency are key when choosing the best parts. We’ve done the research to help you find the perfect fit.

PumpMom-us, Maymom, and Momstouch are top brands offering compatible flanges for Spectra pumps. These parts are BPA-free and easy to clean, ensuring safety and convenience.

Upgrade your pumping routine with our guide to the best replacement flanges. Discover the perfect match for your needs and enjoy a smoother, more comfortable experience.

List of Top 10 Replacement Flanges

Image Title Best For Price
PumpMom-us 19mm Soft Rim Flanges Compatible with Spectra S2 S1 9 Plus Breastpumps Accessories, Replacement Breast Shield and Duckbill Valves for Spectra Pump Parts and 19 Flange PumpMom-us 19mm Soft Rim Flanges Compatible with Spectra S2 S1 9 Plus Breastpumps Accessories, Replacement Breast Shield and Duckbill Valves for Spectra Pump Parts and 19 Flange

This is perfect for moms who want a soft, snug, and easy fit while they pump. It’s great for anyone who needs a 19mm flange that boosts comfort and suction.

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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 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 smaller 19mm flanges or replacement duckbill valves that are easy to use, durable, and safe.

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Momstouch 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Pump Parts, Not Original, Replace Accessories. Momstouch 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to 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 also great for those with nipple diameters between 13-15mm looking for BPA-free, easy-to-clean accessories.

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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 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 mothers who use Spectra S2, S1, or 9 Plus breast 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 Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 S1 Accessories Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 S1 Accessories

This Maymom Pump Parts Kit is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps. It’s ideal for those needing a 24 mm flange or replacement parts that are safe, compatible, and easy to 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 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 Maymom Pump Parts Kit is perfect for moms who use Spectra S2, S1, or 9 Plus pumps and need affordable, compatible replacements. It’s great for travel and safe for storing breast milk.

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Flange Inserts for Spectra, Spectra Replacement Pump Parts for S1/S2/9 Plus, Not Original Accessories, Breast Pump Parts Include 2-Pack 19MM Flanges and 4-Pack Duckbill Valves Flange Inserts for Spectra, Spectra Replacement Pump Parts for S1/S2/9 Plus, Not Original Accessories, Breast Pump Parts Include 2-Pack 19MM Flanges and 4-Pack Duckbill Valves

Breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps will love these replacement parts. They’re safe, easy to clean, and work just like the originals.

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Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PC Include 19 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PC Include 19 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories

New moms and seasoned moms who want fast, mess‑free pump parts will love this kit. It’s lightweight, easy to use, and perfect for travel or home.

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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 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 mothers who use Spectra S1, S2, or 9 Plus pumps and need compatible replacement parts. It’s ideal for those seeking durable, BPA-free options that work seamlessly with their pump.

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Maymom 22 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 22 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 moms who use Spectra S1, S2, or 9 Plus pumps and need reliable, compatible parts. It’s great for those seeking BPA-free, safe, and easy-to-clean options.

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Detailed Reviews

These top 10 replacement flanges are picked with care to help you pump with ease. Each one is checked for comfort, fit, and steady performance. You can trust this guide to point you to the right choice fast. Every line is simple, clear, and made to spark your curiosity to read more.

1. PumpMom-us 19mm Soft Rim Flanges Compatible with Spectra S2 S1 9 Plus Breastpumps Accessories, Replacement Breast Shield and Duckbill Valves for Spectra Pump Parts and 19 Flange

PumpMom-us 19mm Soft Rim Flanges Compatible with Spectra S2 S1 9 Plus Breastpumps Accessories, Replacement Breast Shield and Duckbill Valves for Spectra Pump Parts and 19 Flange

PumpMom-us 19mm Soft Rim Flanges are compatible with Spectra S2, S1, and 9 Plus breast pumps. They include replacement breast shields and duckbill valves. These accessories are designed for comfort and efficiency.

The soft-rimmed flanges offer a better fit during pumping. They feature a 105° wide angle opening and an oval shape. This improves suction efficiency and reduces discomfort.

Made from BPA-free, food-grade materials, these products are safe and sealed. They are not original Spectra flanges but expertly designed by PumpMom.

Pros Cons
  • Compatible with Spectra S2, S1, and 9 Plus breast pumps.
  • Soft-rimmed flanges for maximum comfort during pumping.
  • Upgraded design improves suction efficiency and fit.
  • BPA-free, food-grade materials ensure safety and quality.
  • Not an original Spectra part
  • May not fit every pumping style
  • Soft rim may feel too light for some

Perfect For:

This is perfect for moms who want a soft, snug, and easy fit while they pump. It’s great for anyone who needs a 19mm flange that boosts comfort and suction.

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 Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange

Maymom’s 19mm flange and duckbill valve work with Spectra S1, S2, and 9 Plus breastpumps. These parts are not original Spectra accessories but are compatible and interchangeable. They offer the same suction power as OEM parts.

The duckbill valves are easy to use, durable, and come in color options. The flanges fit Spectra wide-neck bottles, Avent bottles, and Maymom widemouth bottles. They are available in 11 sizes to ensure a perfect fit.

Both products are BPA/DEHP free and FDA compliant. They are safe for dishwasher, steam, and boiling water cleaning. Test reports are available online for reference.

Pros Cons
  • Compatible with Spectra S1, S2, and 9 Plus breast pumps.
  • Durable duckbill valves for easy use and long-lasting performance.
  • BPA/DEHP-free, FDA-compliant, and safe for food contact.
  • Multiple flange sizes available for a perfect fit.
  • Not original Spectra parts, may void pump warranty.
  • Limited color options for duckbill valves.
  • No affiliation with Spectra brand or company.

Perfect For:

This product is perfect for breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps. It’s great for those needing smaller 19mm flanges or replacement duckbill valves that are easy to use, durable, and safe.

Ready to Purchase?

3. Momstouch 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Pump Parts, Not Original, Replace Accessories.

Momstouch 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Pump Parts, Not Original, Replace Accessories.

The Momstouch 17mm flange set makes pumping simple. It fits Spectra S1, S2, and 9 Plus pumps with ease. Each part is light, smooth, and safe to use.

The duckbill valves pop in and out fast. The flanges work with wide‑mouth bottles from top brands. All parts give strong, steady suction.

The set is BPA‑free. It is safe to clean with steam or heat.

Pros Cons
  • Perfect fit for Spectra S1, S2, and 9 Plus breast pumps.
  • Easy-to-clean materials, safe for steam sanitizing.
  • BPA-free parts for worry-free pumping.
  • Wide flange sizes available to suit all nipple diameters.
  • Not original parts, may not fit perfectly.
  • Limited compatibility with non-Spectra pump models.
  • No warranty or guarantee from Spectra.

Perfect For:

This product is perfect for mothers who use Spectra S1, S2, or 9 Plus breast pumps and need replacement parts. It’s also great for those with nipple diameters between 13-15mm looking for BPA-free, easy-to-clean accessories.

Ready to Purchase?

4. 19mm Flange Maymom Pump Parts Compatible with Spectra S2 S1 9 Plus Replacement Kit Not Original Spectra S2 S1 Replacement Pump Parts

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 pumps. This replacement kit includes essential parts like flanges, valves, and bottles, designed for comfort and efficiency.

All parts are BPA-free, FDA-registered, and easy to clean. They work seamlessly with your Spectra pump, ensuring no milk waste and secure storage.

Pros Cons
  • 19mm flanges fit Spectra S2, S1, 9 Plus pumps perfectly.
  • BPA-free parts ensure safe, healthy pumping for moms and babies.
  • FDA-registered and tested for quality and food safety.
  • Travel-friendly bottles with leak-proof caps for easy storage.
  • Not original Spectra parts, may not fit all pumps.
  • 19mm flanges not suitable for every mother’s needs.
  • Nipples and dome caps not included in the kit.

Perfect For:

This 19mm Flange Maymom Pump Parts Kit is perfect for mothers who use Spectra S2, S1, or 9 Plus breast pumps and need replacement parts. It’s ideal for those with a nipple diameter of 17–18mm after pumping.

Ready to Purchase?

5. Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 S1 Accessories

Maymom Pump Parts Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 24 mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 S1 Accessories

Maymom Pump Parts are a compatible replacement kit for Spectra S2 and S1 breast pumps. This kit includes 24 mm flanges, duckbill valves, backflow protectors, tubes, and bottles with travel caps. Not original Spectra accessories, but designed to work seamlessly with your pump.

Easy to clean and BPA-free, these parts are safe for you and your baby. Multiple flange sizes are available to ensure a comfortable fit. US FDA registered and compliant with regulations, you can trust Maymom for your pumping needs.

Pros Cons
  • Compatible with Spectra S2, S1, and 9 Plus pumps.
  • Multiple flange sizes for a perfect, comfortable fit.
  • FDA-registered, BPA-free, and safe for breast milk storage.
  • One-piece travel caps prevent leaks and save milk.
  • Not original Spectra parts, may differ from OEM.
  • 24mm flange might not fit all mothers, check size first.
  • Nipples and dome caps not included in the kit.

Perfect For:

This Maymom Pump Parts Kit is perfect for breastfeeding moms who use Spectra S2, S1, or 9 Plus pumps. It’s ideal for those needing a 24 mm flange or replacement parts that are safe, compatible, and easy to clean.

Ready to Purchase?

6. 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 Compatible with Spectra S2 S1 Replacement Kit for Spectra Pump Parts 21mm Flange Duckbill Valve Tube Bottle Backflow Protector, Not Original S2 Accessories

This kit gives you strong suction, easy use, and clean pumping. Every part fits well. Every piece works fast.

It matches Spectra S2, S1, and 9 Plus pumps. It keeps milk flow smooth and safe.

The set uses BPA‑free parts and meets strict safety rules. It is simple to wash and simple to store.

Pros Cons
  • Compatible with Spectra S2, S1, and 9 Plus pumps.
  • BPA-free, safe, and easy to clean for peace of mind.
  • Multiple flange sizes ensure a perfect fit for comfort.
  • Travel-friendly bottles with leak-proof caps for convenience.
  • Not original Spectra parts, may differ slightly from OEM.
  • 21mm flanges may not fit all mothers—check size first.
  • No nipples or dome caps included in the kit.

Perfect For:

This Maymom Pump Parts Kit is perfect for moms who use Spectra S2, S1, or 9 Plus pumps and need affordable, compatible replacements. It’s great for travel and safe for storing breast milk.

Ready to Purchase?

7. Flange Inserts for Spectra, Spectra Replacement Pump Parts for S1/S2/9 Plus, Not Original Accessories, Breast Pump Parts Include 2-Pack 19MM Flanges and 4-Pack Duckbill Valves

Flange Inserts for Spectra, Spectra Replacement Pump Parts for S1/S2/9 Plus, Not Original Accessories, Breast Pump Parts Include 2-Pack 19MM Flanges and 4-Pack Duckbill Valves

Flange inserts and duckbill valves help keep your pump ready. They fit Spectra S1, Spectra S2, and Spectra 9 Plus. They are safe, soft, and easy to use.

These parts are made with food-grade silicone. They are easy to clean and come with helpful support if you need the right size.

Pros Cons
  • Safe for both baby and mom: 100% food‑grade silicone, BPA‑free.
  • Easy to clean: boil, steam, or microwave‑steam bags.
  • Compatible with Spectra S1, S2, and 9 Plus.
  • Strong suction: matches OEM performance.
  • Great support: free replacements if wrong size.
  • Not original Spectra parts
  • May not fit all pump sizes
  • Suction feel can vary by user

Perfect For:

Breastfeeding moms who use Spectra S1, S2, or 9 Plus pumps will love these replacement parts. They’re safe, easy to clean, and work just like the originals.

Ready to Purchase?

8. Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PC Include 19 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories

Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PC Include 19 mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories

Pump parts for Spectra S1, S2, and S9 Plus make breastfeeding easier. This replacement kit includes everything you need: flanges, valves, tubes, bottles, and more. It’s compatible with your Spectra pump for smooth use.

The durable duckbill valves have a handy pull tab for easy handling. Choose from 13 sizes to find your perfect fit. These parts are leak-proof and work with Spectra bottles for mess-free pumping.

Food-grade materials ensure safety, and they’re BPA-free. Clean them easily—they’re dishwasher, boiling, and steam safe. Perfect for busy moms on the go!

Pros Cons
  • Fits Spectra pumps with ease
  • Strong parts built to last
  • Many sizes for a comfy fit
  • No leaks for clean pumping
  • Light and easy to carry
  • Not original parts, may differ slightly from Spectra’s design.
  • Limited compatibility with non-Spectra breast pump models.
  • Frequent cleaning needed to maintain hygiene and performance.

Perfect For:

New moms and seasoned moms who want fast, mess‑free pump parts will love this kit. It’s lightweight, easy to use, and perfect for travel or home.

Ready to Purchase?

9. 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 Compatible with Spectra S1 S2 9 Plus Not Original Spectra S2 Replacement Pump Parts Flange Duckbill Valve

Maymom offers 17mm flanges and duckbill valves for Spectra S1, S2, and 9 Plus breast pumps. These parts are not original Spectra replacements but work just as well.

Compatible with Spectra pumps, Maymom parts match the suction power of OEM parts. They fit wide-neck bottles and are BPA/DEHP free.

Easy to use and clean, these parts are FDA compliant and safe for food contact. Available in 11 sizes to fit every need.

Pros Cons
  • Easy to plug in and remove
  • Durable quality that lasts
  • BPA/DEHP free and FDA‑compliant
  • Fits Spectra, Avent, and Maymom wide‑neck bottles
  • Same suction power as original parts
  • Not original Spectra parts, may not fit all pumps.
  • Limited compatibility—check before buying to avoid mismatch.
  • Not for everyone—consult a lactation expert first.

Perfect For:

This product is perfect for breastfeeding mothers who use Spectra S1, S2, or 9 Plus pumps and need compatible replacement parts. It’s ideal for those seeking durable, BPA-free options that work seamlessly with their pump.

Ready to Purchase?

10. Maymom 22 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 22 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

The Maymom 22 mm flange and duckbill valve set gives you smooth, steady pumping. It fits your Spectra pump with ease.

The parts work with Spectra S1, Spectra S2, and Spectra 9 Plus. They give strong, steady suction. They swap in just like the originals.

The duckbill valves plug in fast, stay firm, and come in clean colors. The flanges fit wide‑neck bottles with no fuss. All pieces are BPA‑free and safe for daily use.

Pros Cons
  • Compatible with Spectra S1, S2, and 9 Plus pumps.
  • Same suction power as original Spectra parts.
  • Easy‑to‑use duckbill valves and flanges.
  • BPA‑free and FDA‑approved safety.
  • Durable and dishwasher‑safe.
  • Not made by the original brand
  • Only one flange size in this pack
  • May not fit every pumping setup

Perfect For:

This product is perfect for moms who use Spectra S1, S2, or 9 Plus pumps and need reliable, compatible parts. It’s great for those seeking BPA-free, safe, and easy-to-clean options.

Ready to Purchase?

Buying Guide

Finding the right flange can change your pumping time. Imagine a smooth fit that feels like your own hand.

Compatibility: Check if the flange fits your pump model. A good match stops leaks.
Material: Pick food‑grade silicone or BPA‑free. That keeps baby safe.
Size: Use a 19 mm, 17 mm, or 24 mm that matches your bottle.
Suction: Strong but gentle suction works best.
Comfort: Soft‑rimged flanges ease pressure on skin.
Cleanability: Dishwasher or boiling safe is a plus.
Brand: Reliable makers keep quality steady.
Price: Balance cost with durability.

We hope this helps you choose a flange that feels right and works well.