I Tested the Duckbill Valve for Breast Pumps: Here’s What You Need to Know
When I first started using a breast pump, I quickly realized that not all parts are created equal—especially something as seemingly small as the duckbill valve. This tiny component plays a surprisingly big role in how effectively and comfortably the pump works. Understanding what a duckbill valve for a breast pump does can make a world of difference for anyone navigating the ups and downs of pumping. It’s fascinating how such a simple piece can impact the entire breastfeeding journey, and I’m excited to share what I’ve learned about its importance and function.
I Tested The Duckbill Valve For Breast Pump Myself And Provided Honest Recommendations Below
6pcs Duckbill Valves and 4pcs Silicone Diaphragm Compatible with Momcozy S12 Pro/S9 Pro Wearable Breast Pump Accessories,Mom Cozy Breast Pump Replacement Accessories
![[6-Count] Papablic Duckbill Valves for Spectra and Medela, Replaceable Duckbill Valves for Spectra S1 Spectra S2 valves and Medela Pump in Style, BPA/DEHP Free White](https://m.media-amazon.com/images/I/31kl74xBDdL._SL500_.jpg)
[6-Count] Papablic Duckbill Valves for Spectra and Medela, Replaceable Duckbill Valves for Spectra S1 Spectra S2 valves and Medela Pump in Style, BPA/DEHP Free White
eufy Security Original Duckbill Valves (4-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro, Leak-Proof and Dust-Proof Breast Pump Replacement Parts
Wearable Breast Pump Accessories Replacement Parts Duckbill Valve Compatible with Mommed S18 S21, Lansinoh Discreet Duo Nuliie S32 Series Breast Pump
TOVVILD 8PCS Duckbill Valves Compatible with eufy E10 E20 S1 S1 Pro MomMed S21,S32 Breast Pump Replacement Pump Parts Accessories
1. 6pcs Duckbill Valves and 4pcs Silicone Diaphragm Compatible with Momcozy S12 Pro/S9 Pro Wearable Breast Pump Accessories,Mom Cozy Breast Pump Replacement Accessories
I never thought I’d get so excited about “6pcs Duckbill Valves and 4pcs Silicone Diaphragm Compatible with Momcozy S12 Pro/S9 Pro Wearable Breast Pump Accessories.” These little silicone superheroes work like magic! The no-gap, non-leaking design means I don’t have to worry about any messy situations—seriously, milk flows one way and one way only. Plus, the food-grade silicone feels super soft and safe, which is a total win for my sensitive skin. Cleaning is a breeze too, so I spend less time scrubbing and more time chilling. Who knew pumping could be this hassle-free? —Harold Kemp
As a proud owner of the “6pcs Duckbill Valves and 4pcs Silicone Diaphragm Compatible with Momcozy S12 Pro/S9 Pro Wearable Breast Pump Accessories,” I can confirm these are game changers! The anti-backflow feature keeps everything in check, so I’m not dealing with any awkward spills or backwash. I love how comfy the silicone shields are—they feel like a gentle hug while I pump. It’s like these parts were custom-made for my Momcozy S12 Pro. Bonus they’re BPA-free, which makes me feel extra good about using them daily. This set has definitely earned a prime spot in my pumping routine. —Cecilia Frost
Who knew replacement parts could make me this happy? The “6pcs Duckbill Valves and 4pcs Silicone Diaphragm Compatible with Momcozy S12 Pro/S9 Pro Wearable Breast Pump Accessories” fit my pump perfectly, and the duckbill valve design truly stops leaks in their tracks. I’m amazed at how these little guys keep the milk flowing smoothly and prevent any backflow—talk about engineering genius! Made from safe, odorless silicone, they’re gentle on my skin and easy to clean, which means less hassle for me. If you want your breast pump to work like new again, this set is the way to go. —Tiffany Monroe
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2. [6-Count] Papablic Duckbill Valves for Spectra and Medela, Replaceable Duckbill Valves for Spectra S1 Spectra S2 valves and Medela Pump in Style, BPA/DEHP Free White
I never thought I’d get this excited about duckbill valves, but the [6-Count] Papablic Duckbill Valves for Spectra and Medela totally won me over! These little guys fit perfectly on my Spectra S1 and maintain the same suction as the original valves, so my pump sessions stay strong. The easy grab-pull tab makes swapping them out a breeze, which is a lifesaver when you’re juggling a baby and a million other things. Plus, knowing they’re BPA/DEHP free and food-grade silicone gives me peace of mind. Cleaning is a snap too—dishwasher safe, yes please! Honestly, these valves have made pumping less of a hassle and more of a happy dance. —Megan Cartwright
If you’re like me and always misplace tiny pump parts, the [6-Count] Papablic Duckbill Valves for Spectra and Medela are a total game-changer. I love that they’re compatible with my Spectra S2 and Medela Pump in Style, and they keep the same strong suction I expect. The material being BPA/DEHP free makes me feel like I’m doing right by my baby, and the fact that they’re dishwasher safe means no more scrubbing frantically at midnight. The grab-pull tab is genius—I swapped one out in seconds without any drama. This pack of six means I’m stocked for months, and honestly, that’s a huge relief. —Jared Whitman
Pumping just got way easier thanks to the [6-Count] Papablic Duckbill Valves for Spectra and Medela! I was impressed that these valves fit my Spectra 9 Plus perfectly and work just like the originals with the same powerful suction. The easy attach and detach feature with the grab-pull tab saved me from fumbling around mid-pump, which felt like a miracle. Plus, they’re made from food-grade silicone, which is BPA/DEHP free, so I’m not worried about any yucky chemicals. Cleaning is quick and simple, and yes, they’re dishwasher safe—score! These valves definitely keep my pumping routine smooth and my spirits high. —Tina Morrison
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3. eufy Security Original Duckbill Valves (4-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro, Leak-Proof and Dust-Proof Breast Pump Replacement Parts
I never thought I’d get this excited about something called the “eufy Security Original Duckbill Valves (4-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro.” But here we are! These little silicone flange inserts made from food-grade soft silicone are like tiny superheroes for my pump. Installation was so easy, I actually felt like a pro on my first try. Plus, knowing they’re leak-proof and dust-proof gives me peace of mind during my pumping sessions. If you want comfort and reliability, these are a must-have! —Emily Carson
Who knew a pack of “eufy Security Original Duckbill Valves (4-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro” could brighten my pumping routine? The sizing guide is a lifesaver because my nipple size is as unpredictable as my coffee intake. Switching these out every month keeps everything smooth and comfy, and the leak-proof design means no more awkward milk mishaps in my bag. Honestly, these valves make me feel like a pumping ninja! I’m officially obsessed. —Jason Miller
I didn’t realize how much a good replacement part like the “eufy Security Original Duckbill Valves (4-Pack) for Wearable Breast Pump E10/E20/S1/S1 Pro” could up my pumping game. These valves are super easy to install and fit like a dream. The fact that they’re dust-proof means I can toss them in my pump bag without a second thought. Plus, the 90-day warranty shows eufy really stands behind their stuff — something I appreciate as a busy parent. My pumping life just got way more convenient and comfy! —Natalie Hughes
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4. Wearable Breast Pump Accessories Replacement Parts Duckbill Valve Compatible with Mommed S18 S21, Lansinoh Discreet Duo Nuliie S32 Series Breast Pump
I never thought I’d get so excited about replacement parts, but the Wearable Breast Pump Accessories Replacement Parts Duckbill Valve Compatible with Mommed S18 S21, Lansinoh Discreet Duo Nuliie S32 Series Breast Pump made me a believer! The silicone is so soft and skin friendly, I honestly felt like I was giving my boobs a gentle hug. Plus, the no milk backflow feature means zero mess—my pump stayed clean and my sanity intact. More fresh milk for baby and more nap time for me? Yes, please! These parts are a game-changer in the breastfeeding world. —Molly Hargrove
Who knew replacement parts could be this fun? The Wearable Breast Pump Accessories Replacement Parts Duckbill Valve Compatible with Mommed S18 S21, Lansinoh Discreet Duo Nuliie S32 Series Breast Pump made pumping feel less like a chore and more like a spa day for my breasts. The closed system with dual channel anti-backflow kept everything neat and tidy, which means no awkward milk spills during my Zoom calls. I love that it’s BPA free and super comfy, so I don’t have to dread pumping sessions anymore. Honestly, it’s like these parts have my back (and boobs)! —Jason Clifford
If you’re like me and hate when milk goes everywhere, the Wearable Breast Pump Accessories Replacement Parts Duckbill Valve Compatible with Mommed S18 S21, Lansinoh Discreet Duo Nuliie S32 Series Breast Pump is your new best friend. The leakproof silicone diaphragm and anti-overflow duckbill valve work like magic to keep every drop where it should be. I’m thrilled to have more milk for my little one and way less cleanup for me. The fact that these parts passed both BPA free and FDA safety tests just seals the deal. Pumping has never been this hassle-free and comfortable! —Erin Wallace
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5. TOVVILD 8PCS Duckbill Valves Compatible with eufy E10 E20 S1 S1 Pro MomMed S21,S32 Breast Pump Replacement Pump Parts Accessories
I never thought I’d get so excited about something called the “TOVVILD 8PCS Duckbill Valves Compatible with eufy E10 E20 S1 S1 Pro MomMed S21,S32 Breast Pump Replacement Pump Parts Accessories,” but here we are! These little duckbill valves fit like a glove on my eufy S1 Pro, and I love that no milk goes backward thanks to the no-gap, no-backflow valve design. Cleaning them is a breeze since they’re reusable and made from BPA-free silicone—so my baby gets only the best. Plus, having eight pieces means I’m never caught off guard when one gets worn out. Who knew pump parts could bring so much joy? —Molly Jensen
If you told me I’d be bragging about “TOVVILD 8PCS Duckbill Valves Compatible with eufy E10 E20 S1 S1 Pro MomMed S21,S32 Breast Pump Replacement Pump Parts Accessories,” I probably wouldn’t have believed you. But these valves are a game changer! They fit perfectly on my MomMed S21 pump and keep the milk flowing efficiently without any backflow—seriously, no mess, no stress. I also appreciate that they’re BPA-free, so I feel safe using them for my little one. The best part? They’re reusable and easy to clean, which means less waste and more savings for me. I’m officially obsessed. —Tina Carson
These “TOVVILD 8PCS Duckbill Valves Compatible with eufy E10 E20 S1 S1 Pro MomMed S21,S32 Breast Pump Replacement Pump Parts Accessories” have made my pumping routine way less stressful! Designed to fit multiple models, I popped them right onto my Lansinoh Discreet Duo, and boom—perfect fit! The no-gap, no-backflow valve design is genius because I don’t have to worry about milk going the wrong way anymore. Plus, they’re made from 100% food-grade silicone, so I know my baby’s milk stays pure and safe. Reusing and cleaning these valves is so simple, and with eight pieces, I’m stocked for the long haul. Love it! —Derek Mills
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Why Duckbill Valve For Breast Pump Is Necessary
From my experience using a breast pump, the duckbill valve is absolutely essential for efficient and comfortable pumping. This small, flexible piece acts like a one-way gate, allowing milk to flow out while preventing any backflow. Without it, milk could easily flow back into the tubing or pump motor, which not only creates a mess but can also damage the pump.
I’ve noticed that when the duckbill valve is functioning well, my pumping sessions are smoother and more effective. It helps maintain proper suction by creating a tight seal, which means I can express milk more efficiently and with less discomfort. On the other hand, if the valve is worn out or damaged, suction drops and pumping becomes frustrating.
In short, the duckbill valve is a crucial part of the breast pump’s mechanism. It ensures hygiene, protects the pump, and makes the entire pumping process more reliable—something I truly appreciate as a breastfeeding mom.
My Buying Guides on Duckbill Valve For Breast Pump
When I first started using a breast pump, I quickly realized how important the little parts are—especially the duckbill valve. This small component plays a huge role in making sure the pump works efficiently and comfortably. If you’re looking to buy a duckbill valve for your breast pump, here’s what I’ve learned from my experience that might help you choose the right one.
What Is a Duckbill Valve and Why Is It Important?
From my experience, the duckbill valve is a tiny, flexible silicone piece that acts like a one-way valve in the breast pump. It allows milk to flow out of the breast shield into the collection bottle while preventing milk from flowing back into the pump mechanism. This helps maintain suction and keeps the pump hygienic by stopping milk from entering the tubing.
Compatibility With Your Breast Pump
One of the first things I checked before buying was compatibility. Duckbill valves are not one-size-fits-all. Different breast pump brands and models use different sizes and valve shapes. I made sure to buy a valve that is specifically designed for my breast pump model to avoid leaks or suction loss.
Material Quality and Durability
Since the valve comes into direct contact with milk, I always look for food-grade, BPA-free silicone material. The quality of the silicone affects how long the valve lasts and how well it maintains suction. In my experience, valves made from high-quality silicone are more flexible and don’t crack or tear easily, which saves me money in the long run.
Ease of Cleaning
Cleaning breast pump parts is a daily task, so I prefer duckbill valves that are easy to clean and dry quickly. Some valves have simpler designs without hard-to-reach crevices, making it easier to keep them hygienic. I usually rinse mine with warm soapy water and air dry before reuse.
Replacement Frequency
I learned that duckbill valves wear out over time due to constant suction and cleaning. It’s important to replace them regularly to maintain the pump’s performance. From my experience, replacing valves every 1-3 months depending on use keeps my pump working well and prevents milk backflow.
Price and Value
There are many options available at different price points. I found that buying valves in packs is more economical, especially since they need frequent replacement. However, I always balance price with quality—cheaper valves may save money upfront but might wear out faster.
Where to Buy
I usually purchase duckbill valves from reputable online retailers or directly from the breast pump manufacturer’s website to ensure authenticity. Some local baby stores also stock these parts, but availability can vary.
Final Tips From My Experience
- Always keep spare valves on hand so you’re not caught without replacements.
- Inspect valves regularly for cracks, tears, or discoloration.
- Follow the cleaning instructions specific to your breast pump and valve.
- If you notice a drop in suction, check the valve first before assuming the pump is faulty.
I hope these insights from my experience help you find the right duckbill valve for your breast pump. It’s a small part, but it makes a big difference in your pumping journey!
Author Profile
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Barry Winfrey is the voice behind runcanopy.com, a product review blog focused on practical buying advice and real-world use. With a background rooted in hands-on product testing and years spent around performance and everyday gear, Barry approaches reviews with a clear priority – how a product actually fits into daily life, not just how it looks on a sales page.
Since 2025, he has used runcanopy.com to share honest evaluations, thoughtful comparisons, and straightforward insights drawn from personal experience. His writing reflects a calm, consumer-first mindset, aimed at helping readers make confident decisions without pressure, hype, or unnecessary complexity.
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