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🍼 Upgrade your pump game with leak-proof confidence!
This 4-pack of eufy Security Duckbill Valves offers a leak-proof, dust-proof, and BPA-free silicone replacement compatible with eufy E10, E20, S1, and S1 Pro breast pumps. Designed for comfort and durability, these valves ensure smooth pumping with a reliable seal, lasting typically 3 months and supported by a 90-day warranty.






























| ASIN | B0D72VC38X |
| Additional Features | Wearable |
| Best Sellers Rank | #282 in Baby ( See Top 100 in Baby ) #2 in Electric Breast Pumps |
| Brand | eufy Security |
| Brand Name | eufy Security |
| Color | Brown |
| Customer Reviews | 4.4 out of 5 stars 3,869 Reviews |
| Included Components | eufy Original Duckbill Valves (4-Pack) |
| Item Dimensions L x W x H | 0.78"L x 0.39"W x 1.02"H |
| Item Weight | 0.02 kg |
| Manufacturer | eufy |
| Manufacturer Part Number | T8D02181-88,B0D72VC38X |
| Material | Silicone |
| Material Type | Silicone |
| Material Type Free | BPA Free, Bisphenol-S (BPS) Free |
| Model Name | Duckbill Valvue*4 |
| Model Number | T8D02-88 |
| Number of Items | 1 |
| Product Style | Duckbill Valvue*4 |
| Size | Duckbill Valves-S1 Pro/S1/E20/E10 |
| Special Feature | Wearable |
| UPC | 194644055837 |
| Unit Count | 2 Count |
A**R
Tiny but mighty!
Very helpful for more security when moving around! It does not leak or fall out when bending over or moving about. The only downfall is that they are small and sometimes hard to keep track of when not in use.
D**R
Good quality replacement/back up!
On a trip where airplanes were involved I ended up losing one of these pieces that came with my original pumps. I ordered these and they have worked perfect. They are good quality and fit well.
S**R
Good
Good quality
S**H
LOVE these pumps!
I am a nurse on a busy floor, these breast pumps have been a life saver for me. Easy to use, the heating feature really does help with my letdown, easy to clean, and the charging case is a game changer. I can use the pumps multiple times a day without having to recharge the pumps or the case itself. The battery life on the case lasts for a pretty long time. The suction was also strong, which was impressive to me. For wearable pumps, these are a pretty good choice. Way better than momcozys in my opinion. If you’re contemplating whether or not to buy these, yes they are expensive but I would say it’s money well spent. 10/10 would recommend.
O**A
Great replacement part, no issues
These parts looked and worked great. We ran them thro if h the bottle washer with no issues. Would purchase again if needed.
L**N
Comfortable, Convenient, and Great for Busy Moms
I bought the eufy S1 Security Heated Wearable Breast Pump because I wanted a hands-free pump that would allow me to take care of my baby and get things done while pumping. I was also really interested in the built-in heating feature since I had heard it could make pumping more comfortable and help with milk flow. I was hoping it would be discreet, comfortable, and efficient, and it definitely met my expectations. The pump was easy to set up, and the controls are simple to understand. I love that it fits comfortably inside my bra without feeling too bulky, so I can move around the house while pumping. The heating feature is one of my favorite parts—it provides a gentle warmth that makes pumping much more comfortable and seems to help me empty more efficiently. The suction is strong but comfortable, and I appreciate having multiple suction and stimulation settings so I can customize each pumping session. Another thing I really like is how quiet the pump is. It's discreet enough that I can wear it around the house or while out without drawing attention. The collection cups are easy to pour from, and all of the parts come apart easily for cleaning, which is a huge plus since pumping already involves enough washing. The only small downside is that wearable pumps can hold a limited amount of milk compared to traditional bottles, so if you have a large output, you may need to empty them during longer sessions. It also takes a little practice to get the positioning just right the first couple of times, but once you do, it works really well. Overall, I'm extremely happy with this purchase. It's comfortable, efficient, and has made pumping so much more convenient. Being able to pump hands-free while still taking care of my baby or doing things around the house has been a game changer. I would definitely recommend it to any breastfeeding mom looking for a reliable wearable breast pump.
F**L
Fits perfectly!
Perfect for extra pump parts
R**�
WORTH EVERY PENNY
✨ MY EUFY S2 PRO ✨ I was already a huge fan of the eufy S1 Pro, so when the S2 Pro was released, I knew I had to get my hands on them and it definitely lived up to the hype. First of all... the night light is such a thoughtful touch for those middle of the night pumping sessions. It's also one of the quietest wearable pumps I've used, making it easy to pump without disturbing everyone around me. The suction is strong, yet incredibly comfortable. I never experience any pinching, and the customizable settings let you truly make each session your own. Being able to adjust the heat, massage, suction & rhythm separately is such a game changer. Can we also appreciate the little details? 🤍 The diaphragm has a built in tab, making it so much easier to remove & the built in pour spout helps transfer milk into a bottle or storage bag without the usual mess. It's clear this pump was designed with real moms in mind. The heat & massage feature is something I can actually feel & it makes pumping feel so much more comfortable and relaxing! Another feature I especially love is the automatic shutoff. If you're a mama with an oversupply or you get caught up caring for your little one, you can have peace of mind knowing the pump won't just keep running and overfill. And can we talk about the color? 🌸 The soft rose pink is absolutely gorgeous. It's sleek, premium & honestly one of the prettiest wearable pumps I've seen. This is one of those products that combines thoughtful design, comfort & functionality so well and it shows in every detail. Obsessed.
S**A
Indispensable
Produit de remplacement pour mes pompes préférées. Vaut vraiment le prix.
L**A
Recommend
Perfect to use with eufy pump.
M**H
Passen perfekt.
Passen, sind dicht, perfekt. Genau so hab ich sie gebraucht.
D**Y
Created more suction
I use them while pumping and it seems to create more suction power. I think they should come with every set of pumps though. Disappointed I had to buy separately.
F**N
Super Milchbehälter
Ist der original Milchbehälter, lässt sich leicht reinigen und passt auf die eufy Milchpumpe. Wandert bei uns auch regelmäßig in die Spülmaschine
Trustpilot
1 month ago
2 days ago