As a mom who relies heavily on my Lansinoh Duo pump, I was excited to try these replacement parts. The two full sets with extra duckbill valves and diaphragms seemed like a steal—until I actually used them.

The good? They fit my pump perfectly and the material feels just as soft as the OEM parts. No weird smells or discomfort during use. The duckbill valves are a lifesaver when my originals wear out (which happens way too often).

But here's the kicker: while assembling, I noticed the pieces don't snap together as securely as my original parts. During one midnight pumping session, the whole thing detached mid-pump—milk everywhere. Not exactly discreet.

Suction power is decent when everything stays connected, but I've had moments where it felt weaker than usual. For moms like me already struggling with low supply, inconsistent suction is nerve-wracking.

The cleaning process is straightforward—boiling them for sterilization hasn't caused any warping yet after several uses. They've held up better than expected in that department.

Would I recommend? Maybe as emergency backups, but not as your primary parts. The price is right, but the occasional leakage and connection issues make me reach for my OEM parts first every time.