

Hero image 0 of Maymom Pump Parts Backflow Protector Membrane Duckbill Valve Tube Compatible with Spectra (6 Valve), 0 of 9
Overall pick
Maymom Pump Parts Backflow Protector Membrane Duckbill Valve Tube Compatible with Spectra (6 Valve)
Key item features
- CONTENTS: 2x Backflow Protector (including 2 large caps, 2 small caps, and 2 silicone diaphragms.) 6x duckbill valve and 2 x silicone membrane and 2x tube. Maymom pump parts can replace Spectra backflow protector, Spectra duckbill valve, Spectra tubing, Spectra membrane. Not original spectra pump parts. Not original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 pump parts.
- COMPATIBLE with Spectra S1 Spectra S2 Spectra S3 Spectra 9 Plus breast pump (The duckbill valves also compatible with Spectra Dew 350). See photo illustrations for compatible breastpumps. Not original Spectra S1 accessories, Spectra S2 accessories, Spectra S3 accessories, Spectra Duckbill Valves, Spectra Membranes.
- SAME SUCTION POWER AS OEM PARTS. Maymom duckbill valves are compatible with Spectra Flange and Maymom flange. Maymom silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details. The tubing is also suitable for Ameda Mya Portable and Ameda Mya Pro pumps.
- CLOSED SYSTEM: With Maymom backflow protectors, no milk will enter the tubing, so the tubing will remain clean. The breastpump parts can be cleaned with water steam or boiling water.
- BPA/DEHP FREE. IN RETAIL PACK. Comply with EU and FDA regulations for plastic materials that contact food. Test reports are conducted by independent lab and available for reference. All items packaged in retail pack, sealed by manufacturer Maymom.
Specs
- CompatibilitySpectra
- MaterialSilicone
- ColorWhite
- ActivityPumping
- Has written warrantyNo
- Piece count12
Current price is USD$16.99
Price when purchased online
Free 90-day returns
How do you want your item?
Plus, get 50% off an annual plan at checkout!
Ships to
Arrives by Tomorrow
.Order within 10 hr 3 min
Sold by Maymom|Pro Seller
Fulfilled by Walmart
4.781818181818182 stars out of 5, based on 165 seller reviews(4.8)165 seller reviews
Free 90-day returns
FSA and HSA eligible
Get 50% off a year of Walmart+
Exclusions, T&C apply. Claim offer
About this item
Product details
CONTENTS: 2x Backflow Protector (including 2 large caps, 2 small caps, and 2 silicone diaphragms.) 6x duckbill valve and 2 x silicone membrane and 2x tube.
- CONTENTS: 2x Backflow Protector (including 2 large caps, 2 small caps, and 2 silicone diaphragms.) 6x duckbill valve and 2 x silicone membrane and 2x tube. Maymom pump parts can replace Spectra backflow protector, Spectra duckbill valve, Spectra tubing, Spectra membrane. Not original spectra pump parts. Not original Spectra S2 PLUS, or Spectra S1 PLUS, Spectra S3 pump parts.
- COMPATIBLE with Spectra S1 Spectra S2 Spectra S3 Spectra 9 Plus breast pump (The duckbill valves also compatible with Spectra Dew 350). See photo illustrations for compatible breastpumps. Not original Spectra S1 accessories, Spectra S2 accessories, Spectra S3 accessories, Spectra Duckbill Valves, Spectra Membranes.
- SAME SUCTION POWER AS OEM PARTS. Maymom duckbill valves are compatible with Spectra Flange and Maymom flange. Maymom silicone membranes are compatible with Maymom backflow protector (Long, Short and Medium) and Spectra S1 backflow protectors, Spectra S2 backflow protector. Also suitable for Ameda Mya pumps. It does not fit the old version of spectra backflow protector; see photo for details. The tubing is also suitable for Ameda Mya Portable and Ameda Mya Pro pumps.
- CLOSED SYSTEM: With Maymom backflow protectors, no milk will enter the tubing, so the tubing will remain clean. The breastpump parts can be cleaned with water steam or boiling water.
- BPA/DEHP FREE. IN RETAIL PACK. Comply with EU and FDA regulations for plastic materials that contact food. Test reports are conducted by independent lab and available for reference. All items packaged in retail pack, sealed by manufacturer Maymom.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Compatibility
Spectra
Works with
Spectra 1
Breast pump accessory set type
Breast Pump Backflow Protectors
Material
Silicone
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
CHOKING HAZARD - Children Under 3
This toy is not suitable for ages under 3 years. It contains one or more of the following items: marbles, small ball, or small parts.
Similar items you might like
Based on what customers bought
In 25+ people's carts 8PCS Flange Sizing Kit 15/17/19/21/24mm Flanges/Shield, Soft Silicone Flange Insert Compatible Momcozy/Spectra/Medela Breast Pump, Breast Pump Essential kit(with Nipple Rulers and Storage Bag) $11.49 Was $12.99
$1149current price $11.49, Was $12.99$12.998PCS Flange Sizing Kit 15/17/19/21/24mm Flanges/Shield, Soft Silicone Flange Insert Compatible Momcozy/Spectra/Medela Breast Pump, Breast Pump Essential kit(with Nipple Rulers and Storage Bag)
84.4 out of 5 Stars. 8 reviewsBreast Pumps Fittings Connector Y Shape Tube Breast Pumps Single Side to Bilateral Fittings Adapter Connector $7.81
Sponsored$781current price $7.81Breast Pumps Fittings Connector Y Shape Tube Breast Pumps Single Side to Bilateral Fittings Adapter Connector
Shipping, arrives in 3+ daysParuu Pump Parts Compatible with Spectra S1/S2/9 Plus, Not Original Accessories, 24mm Full Set Replacements of Breast Pump $17.99 Was $29.99
$1799current price $17.99, Was $29.99$29.99Paruu Pump Parts Compatible with Spectra S1/S2/9 Plus, Not Original Accessories, 24mm Full Set Replacements of Breast Pump
84.1 out of 5 Stars. 8 reviewsMaymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc $18.09
$1809current price $18.09Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc
15 out of 5 Stars. 1 reviewsMaymom Silicone Membrane Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part $12.39
6 optionsAvailable in additional 6 options$1239current price $12.39Maymom Silicone Membrane Designed for Spectra S1 S2 9 Plus Breastpump Backflow Protector Also for Maymom Backflow Protector Long Medium Short Stem, Not Original Spectra Accessories Pump Part
15 out of 5 Stars. 1 reviewsBest seller Spectra Baby USA Duckbill Valve - Set of 2 (Silicone Valve) $11.44 Was $13.00
Best seller
$1144current price $11.44, Was $13.00$13.00Spectra Baby USA Duckbill Valve - Set of 2 (Silicone Valve)
114.2 out of 5 Stars. 11 reviewsMaymom Backflow Protector Compatible with Spectra S2 Spectra S1 and 9 Plus Breastpump Not Original Spectra Pump Parts Not Original Spectra S2 Accessories Replace Spectra Backflow Protec $9.99
$999current price $9.99Maymom Backflow Protector Compatible with Spectra S2 Spectra S1 and 9 Plus Breastpump Not Original Spectra Pump Parts Not Original Spectra S2 Accessories Replace Spectra Backflow Protec
165 out of 5 Stars. 16 reviewsMaymom Pump Parts 21 mm Flange Valve Tube Backflow Protector Bottle with Two-Piece Travel Cap Compatible with Spectra S1 S2 9 Plus Breastpump. Replacement Pump Parts for Spectra Pump Accessories $29.19
10 optionsAvailable in additional 10 options$2919current price $29.19Maymom Pump Parts 21 mm Flange Valve Tube Backflow Protector Bottle with Two-Piece Travel Cap Compatible with Spectra S1 S2 9 Plus Breastpump. Replacement Pump Parts for Spectra Pump Accessories
234.7 out of 5 Stars. 23 reviewsMomcozy M5| M6| M9 Original Replacement Accessories, Food-Grade Silicone & BPA Free, Original Breastfeeding Parts, Inserts 17mm, 4 Pack $11.04 Was $19.99
$1104current price $11.04, Was $19.99$19.99Momcozy M5| M6| M9 Original Replacement Accessories, Food-Grade Silicone & BPA Free, Original Breastfeeding Parts, Inserts 17mm, 4 Pack
Maymom Flange Adapter for Spectra S1 Pumps, Spectra S2 Pump to Use Most Medela Breastshield and Bottles; Connects Between Maymom/Medela Breastshield and Spectra Backflow Protector $7.95
$795current price $7.95Maymom Flange Adapter for Spectra S1 Pumps, Spectra S2 Pump to Use Most Medela Breastshield and Bottles; Connects Between Maymom/Medela Breastshield and Spectra Backflow Protector
25 out of 5 Stars. 2 reviewsMaymom 17&19mm Flange Insert Compatible with Elvie Single/Double Electric, Elvie Stride 24mm Wearable Cup, Not Original Elvie Stride Replacement Pump Parts $19.09
4 optionsAvailable in additional 4 options$1909current price $19.09Maymom 17&19mm Flange Insert Compatible with Elvie Single/Double Electric, Elvie Stride 24mm Wearable Cup, Not Original Elvie Stride Replacement Pump Parts
15 out of 5 Stars. 1 reviewsMaymom Flange Kit 15 mm Compatible with Medela Pump in Style Pump Lactina Symphony $19.00
$1900current price $19.00Maymom Flange Kit 15 mm Compatible with Medela Pump in Style Pump Lactina Symphony
15 out of 5 Stars. 1 reviewsMaymom Flange Inserts 14mm Compatible with Spectra, Medela 24 mm Shields, Momcozy S9 Pro/S12 Pro, Willow Wearable Cup. Compatible with Medela Freestyle, Harmony, to Reduce 24mm Down to 14 mm; 2pc $13.39
$1339current price $13.39Maymom Flange Inserts 14mm Compatible with Spectra, Medela 24 mm Shields, Momcozy S9 Pro/S12 Pro, Willow Wearable Cup. Compatible with Medela Freestyle, Harmony, to Reduce 24mm Down to 14 mm; 2pc
Spectra Baby USA - Spectra Premium Accessory Kit - Chest Protector (24mm) Medium - for 9 Plus, S2, S1, M1 $34.99
$3499current price $34.99Spectra Baby USA - Spectra Premium Accessory Kit - Chest Protector (24mm) Medium - for 9 Plus, S2, S1, M1
274.3 out of 5 Stars. 27 reviewsMaymom 19 mm Flange and Duckbill Compatible with Motif Luna/Spectra/Ameda Mya Pumps. Not Original Spectra Synergy Gold Pump Parts or Motif Accessories. $9.99
4 optionsAvailable in additional 4 options$999current price $9.99Maymom 19 mm Flange and Duckbill Compatible with Motif Luna/Spectra/Ameda Mya Pumps. Not Original Spectra Synergy Gold Pump Parts or Motif Accessories.
33.7 out of 5 Stars. 3 reviewsMaymom Conversion Kit Compatible with Selected Medela Breast Pumps to be Compatible with Avent Classic Bottles, Avant Natural PP Bottle and Spectra Wide-mouth Bottles Thread Changer; w Sealing Rings $9.99
$999current price $9.99Maymom Conversion Kit Compatible with Selected Medela Breast Pumps to be Compatible with Avent Classic Bottles, Avant Natural PP Bottle and Spectra Wide-mouth Bottles Thread Changer; w Sealing Rings
Momcozy M5 Diaphragm, Original Breast Pump Replacement Accessories for M5, 2PCS $11.99 $6.00/ea
$1199current price $11.99$6.00/eaMomcozy M5 Diaphragm, Original Breast Pump Replacement Accessories for M5, 2PCS
34.3 out of 5 Stars. 3 reviewsNenesupply Backflow Protector Compatible with Spectra S2 Spectra S1 Breastpump Replace Spectra Pump Parts Replace Spectra Backflow Protector and Spectra S2 Parts $9.99
$999current price $9.99Nenesupply Backflow Protector Compatible with Spectra S2 Spectra S1 Breastpump Replace Spectra Pump Parts Replace Spectra Backflow Protector and Spectra S2 Parts
95 out of 5 Stars. 9 reviewsMaymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (6 Piece White) $9.70
$970current price $9.70Maymom Pump Parts Compatible with Spectra S1 Spectra S2 Spectra Incl Duckbill Valve Replace Spectra Duckbill Valve Spectra S2 Replacement Parts Not Original Spectra Pump Parts (6 Piece White)
25 out of 5 Stars. 2 reviewsMaymom Pump Parts Compatible with Lansinoh Breastpump, Flange Wide-mouth Connector Valve Tubing Backflow Protector; Not Original Lansinoh Accessories (Flange 17mm) $23.79
4 optionsAvailable in additional 4 options$2379current price $23.79Maymom Pump Parts Compatible with Lansinoh Breastpump, Flange Wide-mouth Connector Valve Tubing Backflow Protector; Not Original Lansinoh Accessories (Flange 17mm)
15 out of 5 Stars. 1 reviews
Customer ratings & reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |
Showing 1-3 of 10 reviews
Jul 30, 2025
Candice
5 out of 5 stars review
Verified Purchase
perfect fit
Fits great on my Spectra! easy to clean and use
Incentivized Review
Helpful?3JF7MO6BYFZC6978869169
Jul 31, 2025
Carissa
5 out of 5 stars review
Verified Purchase
fits my spectra pump perfectly
Incentivized Review
Helpful?3JF7MO6BYFZC6978869169
Jun 3, 2025
melB
5 out of 5 stars review
Verified Purchase
Fits spectra and helps vacuum issues
Incentivized Review
Helpful?3JF7MO6BYFZC6978869169





