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Best pump accessories - May 2026

Last Updated - May 26, 2026

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Maymom

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

Maymom

$17.49

More Details
Main highlights
- Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.
- With the whole assembly of the base connector and shield (another purchase is needed), it is compatible with spectra s1 pump, s2 pump and spectra 9 plus pump. Suitable for spectra s2 accessory replacement. Handsfree pump bra friendly.
- Made by Maymom, not original spectra pump parts, not original spectra S2 accessories. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.
- Contents: 2 widemouth base connectors ONLY. The connector itself does NOT work. You need to purchase a shield to make up a flange. Maymom base connector compatible with PersonalFit Shields, Pumpin Pal Breast Pump Flange, Lansinoh ComfortFit Breast Pump Flanges, and Maymom MyFit shields 13-32mm.
- BPA free. Complies with US FDA regulation for plastics that contact foods. Tested by independent lab. Test report online available for reference. No problem with dishwasher top rack, steam cleaning.
$17.49
2
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Maymom

Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump Replace Backflow Protector Membrane Duckbill Valve Tube Not Original Spectra Replacement Pump Parts

Maymom

$16.99

$17.99
(6% Off)

More Details
Main highlights
- US FDA Registered Medical Device (No. D192499), Health Canada License (No.26003), Australian Health and Aged Care (ID 463470). Inspected by US FDA. Comply with FDA/EU regulations for plastic materials that contact food. Test reports are conducted by independent lab and available online for reference.
- 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 S2 backflow protectors. It does not fit the old version of spectra backflow protector; see photo for details. Also suitable for Ameda Mya pumps. Ameda Mya Portable and Ameda Mya Pro pumps.
- MADE from BPA-free material. Can be cleaned with water steam, boiling water or microwave-steam bags. Retail packed, sealed by the manufacturer - Maymom, not Original Spectra parts.
- 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 S2 PLUS, S1 PLUS, 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 S2 S3 accessories.
- 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. Retail packed, sealed by the manufacturer - Maymom.
$16.99
$17.99 (6% Off)
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

PUMPMOM-US

PumpMom-us Breast Pump Parts for Spectra, Replace Duckbill Valves Tubes Backflow Protector Membrane for Spectra S1 S2 9 Plus Breastpumps

PUMPMOM-US

$16.98

More Details
Main highlights
- Compatible with Spectra Duckbill Valves, Spectra tubing and membrane pump parts. Not original Spectra S1, S2 accessories.
- Clean with soapy water and rinse with clean water. Do not use hard brushes. Clean the thin tips with fingers. Do not use dishwasher.
- CLOSED SYSTEM - No contact between milk and pump tubing, which protects your pump motor.
- All items packaged in retail pack, sealed by manufacturer for best protection.
- 6 Duckbill Valves, 2 Backflow Protectors, 2 Silicone Tubing and 2 Silicone Membranes compatible with Spectra S2, Spectra S1, Spectra S3, Spectra 9 Plus, M1 breastpumps.
$16.98
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

mamakoi

21PCS Brass Presta Schrader Valve Adapter Tools, Ball Pump Needle, Bike Tire Pump Accessories Fit for Gym Balloon Toy

mamakoi

$8.99

$9.49
(5% Off)

More Details
Main highlights
- 【QUALITY MATERIAL】 Made of high-quality brass and plastic, with threads, corrosion-resistant and not easily broken; with a rubber ring seal; durable, long-term use and long life; suitable for compressors, electric air pumps and almost all Manual pump.
- 【PORTABLE BOX】Air Pump with box and perfect manual,These bicycle adapters are very light and small and can be placed on the Presta valve; it is very convenient to carry and can be placed in any backpack and ball bag with side pockets; Not easy to lose, it has become a daily tool for most families, and it is now put into shopping In the car.
- 【GREAT BIKE VALVE ADAPTER】 Used to inflate bicycle tires and MTB tyres, Dunlop valve (DV), Presta valve, lightning valve (BV), Sclaverand valve (SV), Presta valve on => Schrader / Car valve (AV)
- 【AIR PUMP MAINTENANCE KIT】21PCS Various sizes and specifications of inflatable tools can meet your needs.In Inflator Pump Nozzle Kit is package includes -4x DV/SV adapter，2x AV adapter，2x SV adapter，2x metal needle，4x balloon nozzles，1x air pump hose，6 x Plastic nozzles
- 【21PCS WIDE RANGE OF USAGE】 You can use any "standard" Schrader valve bicycle inflator and use the Presta valve to inflate the tires; for example Yoga ball, fitness ball, kick ball, Pilates ball, swimming ring, basketball, football, volleyball, rugby, balloon, etc. . If you are a sports ball lover or have a variety of children's inflatable toys, this is the best choice.
$8.99
$9.49 (5% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Nursi Luna

Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms

Nursi Luna

$9.99

More Details
Main highlights
- Softer, More Comfortable Pumping: Made of BPA-free food-grade liquid silicone, these flange inserts feel softer and gentler than hard plastic flanges during daily pumping. The right size and soft material help improve fit, reduce discomfort caused by rubbing or squeezing, and support a more comfortable, smoother pumping experience with improved efficiency for daily pumping moms.
- Safe For Mom And Baby: Made of food-grade, BPA-free liquid silicone, these flange inserts are safe, reusable, easy to clean, and dishwasher safe. A sponge cleaning brush is included for added convenience. We recommend replacing inserts every 2 months to help maintain optimal suction. A practical breast pump accessory and a thoughtful registry essential for new moms.
- Highly Compatible: This 10PCS flange sizing kit includes 5 sizes to choose from—13/15/17/19/21mm soft silicone flange inserts (2 of each size)—and fits most 24mm electric breast pump and manual breast pump flanges/shields. It helps size down the 24mm shield nipple tunnel for a better fit and more comfortable pumping. Note: Not compatible with 27-28mm shields.
- Easier Sizing Guidance: Developed by an IBCLC, this 3-in-1 nipple flange sizing kit includes a nipple measuring ruler and detailed instruction manual to help moms measure correctly and choose the right flange insert size. We recommend comparing nipple size before and after pumping for a better fit. Whether you need different sizes for each side or size changes over time, this 10PCS kit (13/15/17/19/21mm) offers flexible options for more comfortable, more efficient pumping.
- Better Sizing For Better Pumping: Nursi Luna Flange Sizing Kit 3-In-1 is developed by an IBCLC (International Board Certified Lactation Consultant) to help moms find the right flange size more easily. It helps reduce the confusion many moms face when standard breast pump flanges feel too large, uncomfortable, or not quite right, supporting a more comfortable pumping experience and improved pumping efficiency from the start.
$9.99

Best pump accessories - May 2026

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

Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump Replace Backflow Protector Membrane Duckbill Valve Tube Not Original Spectra Replacement Pump Parts

PumpMom-us Breast Pump Parts for Spectra, Replace Duckbill Valves Tubes Backflow Protector Membrane for Spectra S1 S2 9 Plus Breastpumps

21PCS Brass Presta Schrader Valve Adapter Tools, Ball Pump Needle, Bike Tire Pump Accessories Fit for Gym Balloon Toy

Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields, 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping, BPA-Free, Essential for Moms

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