18 Best Spectra Backflow Protector of 2025 – Romance University

After hours researching and comparing all models on the market, Romance University finds out Top 18 Best Spectra Backflow Protector of 2025. Check our ranking below.

2,680 Reviews Scanned

Rank No. #1

Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps 2 Pack

Breast Pump Compatibility: Spectra backflow protector compatible with Spectra S1, S2, 9 Plus and Synergy Gold electric breast pumps
Easy to Clean Baby Feeding Supplies: Wash Spectra pump part after each use with warm soapy water and rinse well
Barrier for Safe Breast Feeding: Creates a physical barrier, ensuring your breast milk is free of contaminates and prevents it from going into the breast pump motor
BPA/DEHP Free: Spectra breast pumps and parts, baby accessories and breastfeeding supplies that come in contact with breast milk are BPA/DEHP free, keeping your baby safe
Made For Moms, By Moms: We`ve committed our lives to providing the best breast pump, breastfeeding supplies, milk bottles, baby accessories, education, and customer care that we can, supporting every mother with the beauty of parenthood

Rank No. #2

Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps

Breast Pump Compatibility: Spectra backflow protector compatible with Spectra S1, S2, 9 Plus and Synergy Gold electric breast pumps
Easy to Clean Baby Feeding Supplies: Wash Spectra pump part after each use with warm soapy water and rinse well
Barrier for Safe Breast Feeding: Creates a physical barrier, ensuring your breast milk is free of contaminates and prevents it from going into the breast pump motor
BPA/DEHP Free: Spectra breast pumps and parts, baby accessories and breastfeeding supplies that come in contact with breast milk are BPA/DEHP free, keeping your baby safe
Made For Moms, By Moms: We`ve committed our lives to providing the best breast pump, breastfeeding supplies, milk bottles, baby accessories, education, and customer care that we can, supporting every mother with the beauty of parenthood

Rank No. #3

PumpMom-us Backflow Protector for Spectra, Replacement Breast Pump Backflow Protector for Spectra S1 S2 9 Plus SG Breastpumps Pump Parts, BPA Free

INCLUDES - 2 Backflow Protectors (Not Original Spectra Accessories).
COMPATIBLE with Spectra S1, Spectra S2, Spectra 9 Plus, SG and Spectra M1. Compatible with Motif Luna pump.
SAFE MATERIAL- Made with Food Grade PP, Silicone. BPA/DEHP Free and can be cleaned with boiling water or water steam.
CLOSED SYSTEM - No contact between milk and tubing, which protects your pump motor.
IN RETAIL PACK, SEALED BY MANUFACTURER.

Rank No. #4

Nenesupply Backflow Protector Compatible with Spectra S2 S1 Breastpump Replace Spectra Pump Parts Backflow Protector and S2 S1 Replacement Parts Accessories

2 NENESUPPLY COMPATIBLE BACKFLOW PROTECTORS for SPECTRA S1, SPECTRA S2, SPECTRA 9PLUS Breastpumps. Including 2 Large Cases, 2 Small Cases, and 2 Silicone Membranes, Not original Spectra s1 accessories.
MADE BY NENESUPPLY. NOT ORIGINAL SPECTRA PUMP PARTS. Compatible with other Spectra S2 accessories and Spectra S1 accessories. Materials do not contain any BPA, and can be sanitized with boiling water or water steam.
CLOSED SYSTEM. No contact between milk and tubing.
Comply with EU Commission Regulation (EU) No 10/2011 for plastic materials that contact food.
IN RETAIL PACK sealed by manufacturer for best protection and hygiene. Every batch is tested by independent labs for safety.

Rank No. #5

Maymom Silicone Membrane Diaphragm 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

After market silicone membrane Maymom backflow protector (both short and long stem) and compatible with Spectra S1/S2/ 9 Plus backflow protectors.
Change the silicone diaphragms regularly to optimize the performance of your breastpump
Stronger material for improved performance
It does not fit the old version of spectra backflow protector; see photo for details.
Comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items packaged in retail pack, sealed by manufacturer Maymom. Can be cleaned with boiling water or water steam.

Rank No. #6

PumpMom-us Backflow Protector and Tubing for Spectra, Replacement Breast Pump Parts for Spectra S1 Spectra S2 Spectra 9 Plus (Not Original Spectra S2 Accessories)

INCLUDES - 2 Backflow Protectors and 2 Silicone Tubing. Compatible with Spectra Backflow Protectors and Tubes.
COMPATIBLE MODELS - PumpMom backflow protector is compatible with the Spectra S1, S2, 9 Plus breast pumps.
CLOSED SYSTEM - No contact between milk and pump tubing, which protects your pump motor.
SAFE MATERIAL - Made with Food Grade material, and can be washed with boiling water.
36-inch in length, longer than OEM tubing. Designed to replace tubing if it damaged.

Rank No. #7

After market silicone membrane Maymom backflow protector (both short and long stem) and compatible with Spectra S1/S2/ 9 Plus backflow protectors.
Change the silicone diaphragms regularly to optimize the performance of your breastpump
Stronger material for improved performance
It does not fit the old version of spectra backflow protector; see photo for details.
Comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety. All items packaged in retail pack, sealed by manufacturer Maymom. Can be cleaned with boiling water or water steam.

Rank No. #8

PUMPMOM-US Replacement Duckbill Valves and Backflow Protector for Spectra, Compatible Pump Parts for Spectra S1 S2 9 Plus and SG (Not Original S2 Accessories)

[Package Contents] The package contains 6 replacement duckbill valves and 2 backflow protectors for the Spectra S2, Spectra S1, and Spectra 9 Plus breast pumps.
[Replacement Parts for Spectra] This aftermarket part is manufactured by PumpMom and is Not an original Spectra S2 pump Parts.
[Compatibility] Designed to provide the same suction as OEM ones. PumpMom duckbill valves are suitable for use with Spectra flanges.
[Safe Material] The replacement parts are made of food-grade silicone and can be safely cleaned using either boiling water or steam.
[Care Guide] Clean the parts by washing with mild, soapy water, followed by rinsing with clean water. Avoid using abrasive brushes. Use your fingers to gently clean the thin tips. Do not place it in the dishwasher.

Rank No. #9

Maymom Backflow Protector Duckbill Valve Compatible with Spectra S1 S2 Backflow Protector Duckbill Valve Not Original Spectra S2 Replacement Pump Parts

CONTENTS: 2x backflow protector (2 large caps, 2 small caps, and 2 diaphragms.) and 6x duckbill. Maymom backflow protector can replace Spectra backflow protector, both new and old versions. Maymom duckbill valve can replace Spectra duckbill valve.
COMPATIBLE with Spectra S1 S2 9 Plus breast pump. The duckbill valves are also compatible with Spectra Dew 350. Not original Spectra pump parts. The parts are also suitable for Ameda Mya Portable and Ameda Mya Pro pumps.
SAME SUCTION POWER AS OEM PARTS: Maymom duckbill valves are compatible with Spectra Flange and Maymom Flange. Maymom backflow protectors are compatible with Spectra tubing and Maymom tubing. Quality pump parts to optimize your pumping performance !
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.
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.

Rank No. #10

BALIME Pump Parts Compatible with Spectra S1 S2 9 Plus Synergy Gold Incl 4 Count Backflow Protector Not Original Spectra S1 S2 Replacement Pump Parts

[Complete Set, Full Protection]This value pack includes 6PCS Duckbill Valves and 6PCS Silicone Membrane. Designed for compatibility with Spectra S1, S2, and 9 Plus pumps, these protectors help shield your pump tubing from milk entry—so you spend less time cleaning and more time with your little one.
[Keep Tubing Dry, Pump with Confidence]Engineered to fit Spectra flanges seamlessly, our protectors form a reliable barrier that helps prevent milk from entering the tubing. That means cleaner tubing, simpler maintenance, and one less thing to worry about during late-night or on-the-go pumping sessions.
[Compact, Portable, Always Ready]Small and lightweight, these protectors easily tuck into your diaper bag or pump carry-all. Perfect for use at home, at the office, or while traveling—so you can enjoy peace of mind wherever your day takes you.
[Multi-Layer Seal for Added Protection]Featuring a layered sealing design, these backflow protectors help reduce the risk of reverse milk flow, contributing to improved hygiene for both your pump and collected milk.
[Tool-Free Installation in Seconds]No tools, no complicated steps—just snap the protector securely into place. It’s designed for quick, easy setup even during those busy, multitasking moments. Perfect for new moms and experienced pumpers alike.

Rank No. #11

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

Rank No. #12

Maymom Backflow Protector Compatible with Spectra S2 S1, 9 Plus Breastpumps with Bonus Flange Adapters. Replacement Spectra Pump Parts Backflow Protector Silicone Diaphragm; 4 pc

Contains 4 Backflow Protectors, including 4 Large Caps, 4 Small Caps, and 4 Silicone Diaphragms Plus two Flange Adatpters to allow you use with Medela flanges with Spectra pumps. Compatible with Spectra Backflow Protectors, both new and old versions.
Designed to work with the flanges of Spectra S1, Spectra S2, and 9 Plus Breastpumps.
No milk will enter the tubing, and thus it will keep the tubing clean and protect your pump motor.
Made from BPA free Materials, and can be cleaned with boiling water or water steam. Comply with FDA regulation and EU Commission Regulation for plastic materials that are intended to contact with food.
Every batch is tested by independent labs for safety. All items packaged in retail pack, sealed by manufacturer for protection.

SaleRank No. #13

Spectra - Duckbill Valve Replacement for Breast Milk Pump (Pack of 4) - Fits Small, Medium, Large, or X-Large Breast Shields and Flanges

Breast Pump Compatibility: Spectra duckbill valve compatible with Spectra S1, S2, 9 Plus, and Synergy Gold electric breast pumps
Spectra Pump Part for Baby Feeding: This breastfeeding support part is designed to replace your breast pump's duckbill valve every 3 to 6 months
Easy to Clean Breast Feeding Supplies: Wash Spectra pump part after each use with warm soapy water and rinse well
BPA/DEHP Free: Spectra breast pumps and parts, baby accessories and breastfeeding supplies that come in contact with breast milk are BPA/DEHP free, keeping your baby safe
Made For Moms, By Moms: We`ve committed our lives to providing the best breast pumps, breastfeeding supplies, milk bottles, baby accessories, education, and customer care that we can, supporting every mother with the beauty of parenthood

Rank No. #14

KAIYIV 4 pcs Backflow Protector Compatible with Spectra S2 S1 and 9 Plus, Not Original Spectra Backflow Protector Replacement Pump Parts S2 Accessories

Precisely Designed for Spectra Pumps: Engineered specifically for Spectra S1, S2, and 9 Plus models, these Spectra replacement pump parts are meticulously crafted to achieve a perfect fit with your pump's interface. They install directly without any need for adjustment or modification. Rigorously tested for compatibility, they ensure seamless performance and reliable operation with your device
Effectively Prevents Backflow, Protects Hygiene: The Spectra backflow protector utilizes a multi-layer seal design to effectively block reverse milk flow, reducing the risk of contamination inside the milk bottle and pump.Not Original Spectra Replacement Pump Parts
Easy Installation, Truly Plug-and-Play: Tool-free design, it snaps securely into place instantly—no need to disassemble the main pump unit or use any tools. The intuitive operation allows even new mothers to set it up quickly and with ease, saving valuable time and effort
Built to Last, Dependably Durable: Made from high-quality elastic materials and tested through repeated use, these Spectra pump parts offer excellent anti-aging and wear resistance. They maintain effective sealing and flexibility even after long-term use, offering greater longevity and better value than ordinary plastic accessories
Compact and Portable for Use Anywhere: Its small, lightweight design makes it easy to carry with you. Whether at home or traveling, you can install it quickly to effectively prevent backflow in various scenarios, ensuring peace of mind wherever you go

SaleRank No. #15

Spectra - Wide Breast Shield Set for Breast Milk Pumps - Large 28mm

Compatibility: This set can be used with the following breast pumps: Spectra Synergy Gold, Spectra S1, Spectra S2, and Spectra 9 Plus
Easy Cleaning: Wash Spectra pump parts after each use with warm soapy water and rinse well, do not wash tubing
BPA/DEHP Free: All Spectra pump parts that come in contact with breast milk are BPA/DEHP free, giving you peace of mind about your baby's milk
Important: These authentic Spectra pump parts include a Spectra flange, to ensure complete product satisfaction, please measure nipple size and purchase the appropriately sized flange
Made For Moms, By Moms: We`ve committed our lives to providing the best breast pumps, accessories, education, and customer care that we can, supporting every mother with the beauty of parenthood

Rank No. #16

Nenesupply Backflow Protector Duckbill Valve Compatible with Spectra S1 S2 Synergy Gold Breast Pumps Replacement for Spectra Pump Parts Backflow Protector S1 S2 Replacement Parts Accessories

CONTENT: 2x backflow protectors (including 2 large caps, 2 small caps, and 2 silicone membranes.) and 6x duckbill valves. Nenesupply backflow protector can replace Spectra backflow protector. Nenesupply duckbill valve can replace Spectra duckbill valve. Not original spectra pump parts. Not original Spectra S2 parts, or Spectra S1 parts.
COMPATIBLE with Spectra S1, Spectra S2, Spectra 9 Plus, Spectra Synergy Gold breast pumps
SAME SUCTION POWER AS ORIGINAL PARTS: Nenesupply duckbill valves are compatible with Spectra Flange and Nenesupply Flange. Nenesupply backflow protectors are compatible with Spectra tubing and Nenesupply tubing. Quality pump parts to optimize your pumping experience!
CLOSED SYSTEM. With this backflow protector, no milk will enter the tubing. Tubing remains clean. All parts can be sanitized with water steam or boiling water.
BPA and DEHP FREE. IN RETAIL PACK. Comply with EU and USA regulations for materials that contact food. Tested by independent labs for quality and safety. All items packaged in retail pack, sealed by the manufacturer Nenesupply.

Rank No. #17

Maymom Backflow Protector, Long Stem, Compatible with Spectra S1, S2 and 9 Pumps, Compatible with Medela Flanges and Medela Parts; 2pc

CONTENTS: 2 LONG STEM BACKFLOW PROTECTORS. Compatible with Medela Breastshield/old connector and Spectra Pumps. With this product, you can use your Medela pump parts on Spectra breast pumps. DO NOT use this with Pump in Style / Pump in Style with MaxFlow.
COMPATIBLE WITH MEDELA BREASTSHIELD and SPECTRA S2 and S1 BREAST PUMPS (See photos before purchasing). DO NOT WORK WITH SPECTRA FLANGE. Not original Spectra pump parts.
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.
Made from BPA-free material. Can be cleaned with water steam, boiling water or microwave-steam bags. Retail packed, sealed by the manufacturer - Maymom.

Rank No. #18

Backflow Protector Compatible with Spectra S2 Spectra S1 and 9 Plus Breast Pump,Replace Spectra Backflow Protector Spectra Pump Parts, Not Original Spectra Accessories

【Package Contents】:2 Pcs Backflow Protectors-including 2* Large Caps, 2* Small Caps, and 2 * Silicone Diaphragms.Not original Spectra accessories.
【Compatibility】:Compatible with Spectra S1, S2, 9 Plus and Synergy Gold electric breast pumps.
【Closed System Design】:With Our backflow protectors, you can ensure a closed system where milk never enters the tubing. So the tubing will keep clean, guaranteeing a secure, leak-free seal for a hassle-free pumping experience.
【Safe Material】: Our replacement backflow protectors are made with food grade PP, Silicone,BPA/DEHP Free and can be cleaned with boiling water or water steam.
【Easy to Clean】:Wash Spectra pump part after each use with warm soapy water and rinse well.Do not use hard brushes. Clean the thin tips with fingers. Do not use dishwasher.

How Do You Buy The Best Spectra Backflow Protector?

Do you get stressed out thinking about shopping for a great Spectra Backflow Protector? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Spectra Backflow Protector, which is why we have assembled a comprehensive list of the greatest Spectra Backflow Protector available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Spectra Backflow Protector that you consider buying. Your questions might include the following:

Is it worth buying an Spectra Backflow Protector?
What benefits are there with buying an Spectra Backflow Protector?
What factors deserve consideration when shopping for an effective Spectra Backflow Protector?
Why is it crucial to invest in any Spectra Backflow Protector, much less the best one?
Which Spectra Backflow Protector are good in the current market?
Where can you find information like this about Spectra Backflow Protector?

We’re convinced that you likely have far more questions than just these regarding Spectra Backflow Protector, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Spectra Backflow Protector, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Spectra Backflow Protector. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Spectra Backflow Protector buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Spectra Backflow Protector currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Spectra Backflow Protector has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Spectra Backflow Protector?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Spectra Backflow Protector.
Customer Ratings: Number ratings grade Spectra Backflow Protector objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Spectra Backflow Protector.
Product Quality: You don’t always get what you pay for with an Spectra Backflow Protector, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Spectra Backflow Protector is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Spectra Backflow Protector information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Spectra Backflow Protector is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

18 Best Spectra Backflow Protector of 2025 – Romance University

How Do You Buy The Best Spectra Backflow Protector?

Related Post: