Nenesupply 4 pc Duckbill Valves Compatible with Lansinoh Pumps Parts and Breast Pumps Replacement to Lansinoh Valves. Use with Signature Pro Smartpump Manual Pump

This fit my Lansinoh breast pump perfectly. I lost this original part and thought I’d have to buy a whole new pump but this works great and was way cheaper than a whole new pump!

Me encantaron, son incluso mejores que ls originales que traía mi extractor, son mas gruesas y duraderas. Lo volvería a comprar sin duda!

Update for July 13, 2024: Same as the other reviewer from June 27, 2024, I previously ordered these and they were perfect for the Lansinoh SignaturePro pump. I re-ordered the same item, but the set I just received were way too big. The correct size is diameter 21 mm, and I received ones with diameter 28 mm. I will return them. Original review: The Lansinoh pump is excellent, but after a while the included white duckbill valves did not seal well, so there was a loss of suction and the pump was less effective. These Nenesupply duckbill valves provide a tight seal, and work perfectly. Tighter seal than when the Lansinoh parts were new. Recommended.

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I usually regret it when I buy knock off parts, but not this time! After reading the reviews I decided to try these. They are just as good if not better than the Lansinoh valves! They have a nice tight fit and 2 little pieces that stick out on the side for easy removal. That way you can also distinguish them from other valves (I have so many lol). I have bought a ton of replacement parts over the last year and a half of pumping. I feel good I can at least save a little money on these!