Daisy
Last Updated: Jul 19, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Esther House | 9.86 | ✅ | ✅ | ✅ |
CONTENTS: 8x duckbill valve and 4 x silicone membrane. Made by Maymom, replacement pump parts compatible with spectra duckbill valve and spectra membrane. Not Original Spectra Pump Parts. Not Original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 Parts.
COMPATIBLE with Spectra S1 Plus Spectra S2 Plus Spectra 9 Plus breastpump (The duckbill valves also compatible with Spectra Dew 350). Not original Spectra S1 accessories, Spectra S2 accessories, Spectra Duckbill Valves, Spectra Membrane Replacement.
SAME SUCTION POWER AS OEM VALVES. The duckbill valves are compatible with Spectra flange and Maymom flange. The silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protector, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps.
OPTIMIZE PUMP PERFORMANCE. Replace your silicone membrane, duckbill valves regularly to optimize the performance of your breastpump.
BPA/DEHP FREE. IN RETAIL PACK.; comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items are packaged in retail pack and sealed by the manufacturer Maymom. Can be cleaned with boiling water or water steam.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Esther House | 9.86 | ✅ | ✅ | ✅ |
Kit Contents: 2 Flanges ( 24mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with One-Piece Travel Cap). Compatible with Spectra S2, Spectra S1, Spectra 9 Plus Breastpump. Nipples and Dome Caps are NOT included in this kit
All pump parts made by Maymom. Not Original Spectra S2 Accessories. Not Original Spectra S1 Accessories. Not Original Spectra Pump Parts
Compatible and interchangeable with Spectra pump parts. Same suction power as OEM parts. Replace Spectra Flanges, Spectra Duckbill Valves, Spectra Backflow Protectors, Spectra Tubings, Spectra Bottles (Wide Mouth). Multiple flange sizes available: 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm, 28mm, 30mm, 32mm
The One-piece cap of Maymom bottle includes sealing ring for secure seal. NO waste of milkdrop. Design for travel and storage of formula or breast milk. It's also perfect to convert baby feeding bottle to snack container or tumbler for mommy
Material does NOT contain any BPA. Can be sanitized with water steam, boiling water or microwave-steam bags. Comply with FDA regulations for plastic materials that contact food
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
CONTAINS 2 X-Small 19mm FLANGES / Breastshields. A NENESUPPLY FLANGE FOR SPECTRA S2, SPECTRA S1, AND SPECTRA 9 PLUS BREASTPUMP. Made by Nenesupply. Not Original Spectra Flanges.
THIS IS A COMPATIBLE PRODUCT MADE BY NENESUPPLY. Not Original Spectra S2 accessories.COMPATIBLE WITH SPECTRA PUMP PARTS. Compatible with Spectra valve, Spectra backflow protector, and Spectra bottle. It has same suction power as OEM parts.
COMPATIBLE WITH SPECTRA WIDE MOUTH BOTTLES, and NENESUPPLY WIDE MOUTH BOTTLES. They are NOT compatible with OTHER wide mouth bottles.
DIFFERENT FLANGE SIZES AVAILABLE: 19mm, 21mm, 24mm, 27mm, 30mm. MATERIAL DO NOT CONTAIN ANY BPA. Can be sanitized with water steam, boiling water or microwave-steam bags.
IN RETAIL PACK sealed by manufacturer. Tested by independent labs for safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
6 NENESUPPLY DUCKBILL VALVES for MEDELA and SPECTRA. MADE BY NENEDUPPLY. Not original Medela pump parts. Not original Spectra S2 accessories.
COMPATIBLE PUMPS: PUMP IN STYLE, SWING, HARMONY, SYMPHONY, MINI ELECTRIC and SPECTRA S1, S2, 9 Plus, DEW 350 breastpumps. See photo illustrations for compatible breastpumps. Not Original Spectra Pump Parts. Not Original Spectra S1 Accessories
ONE DUCKBILL VALVE REPLACE A VALVE AND A MEMBRANE. No need to buy extra membranes. Fewer pump parts to wash, sterilize, and assemble.
EASY TO INSTALL AND REMOVE. SAME SUCTION POWER AS OEM VALVES.
DOES NOT CONTAIN ANY BPA, and sterilize in water steam or boiling water. Comply with EU regulations for materials that contact food. Tested by independent labs for quality and safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Healcan | 6.76 | ✅ | ✅ | ✅ |
SAME AS THE ORIGINAL: We have tested that our duckbill valve replacements have the same suction power as the original one. Designed to replace the breast pump duckbill valve every 3-6 months, maintaining the best backflow prevention function and keeping your breast pump at the best performance level.
SAFE MATERIAL & BPA FREE: Made with Food Grade Silicone, and can be sterilized in water steam or boiling water. Comply with EU and US regulations for materials that contact food. Ideal to take care of new moms' and their babies' health and safety.
EASY-TO-CLEAN: Wash replaceable duckbill valves after each use with warm soapy water and rinse well with clean water. Do not use hard brushes and use finger tips instead. Drinking water is recommended for cleaning.
IDEAL GIFT FOR YOURSELF & THE ONE YOU CARE: Buy this 6-count duckbill replacement with S12 breast pump as a gift bundle for yourself, your wife, friends, and even colleagues. Make their lactation periods much easier and more comfortable. The duckbill valves come with a storage case that you can easily bring with you while making sure the accessories are clean.
COMPATIBLE MODEL: 6-Count replaceable duckbill valves for S12/S9/S10/S13/S15 Electric Breast pumps.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BB XPRESS LLC | 9.90 | ✅ | ✅ | ✅ |
CONTAINS 4 NENESUPPLY DUCKBILL VALVES. Work with Medela Pump In Style Advanced, Symphony, and Mini Electric breast pumps, and Philips Avent Electric pumps. It DOES NOT work with Medela Manual Harmony. Original Medela Pump Parts
EASY TO REMOVE. A PULLING TAB for easy removing from flanges. Remove from breastshield without damaging the valve. No more stucked valves.
TIGHT AND SECURE FIT. Valves are attached securely on the breastshields. No more falling valves.
SAME SUCTION POWER AS OEM PARTS. ONE-PIECE VALVE. LESS PARTS TO CLEAN.
BPA Free and DEHP Free. FDA compliance for food contacts. Can be sterilized in water steam or boiling water. Tested by independent labs for quality and safety.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Tuye | 6.60 | ✅ | ✅ | ✅ |
6 Count Suitable for use - MomMed S21, Gekoja, TSRETE S23, MISSAA S18, Zooawa, Mumeasy, Mumgaroo Wearable Breast Pump. TOVVILD pump parts perform the same suction power as OEM parts.
Easy cleaning - wash S21/S23 pump parts after each use with warm soapy water and rinse well. Please use boiling water/steam, with a temperature of around 100°C (212°F). Do not use hard brushes. Do not use dishwasher.
Made of food-grade silicone material, Comply with FDA regulations for plastic materials that contact food.
Regularly to optimize the performance of your breast pump. If there is insufficient suction or deformation, we recommend replacing it within 1-3 months.
If you’ll be pumping frequently, replace parts regularly, ensures greater comfort and effective suction.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Nenesupply | 3 |
| Maymom | 2 |
| Healcan | 1 |
| Tovvild | 1 |
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