Just got these Maymom valves for my Spectra S1 and WOW – they’re a total upgrade from the originals! The mixed colors (white/blue/pink) make it so easy to track which valves are new vs. old. No more squinting at tiny labels during 3AM pump sessions.

The suction is just as strong as OEM valves (maybe even better?). I noticed my output improved slightly, probably because they seal tighter. They fit perfectly with my Maymom flanges too – no leaks!

Cleaning is a breeze – I toss them in my steam sterilizer daily. After 2 weeks of heavy use (6-8x/day), they still look brand new. Way more durable than the flimsy Spectra ones that tore after a month.

Pro tip: Use the colors to organize different flange sizes like another mom mentioned! Blue for left side, pink for right – genius hack for sleep-deprived brains.

Only minor gripe? The silicone feels slightly thinner than OEM, but hasn’t affected performance yet. At this price for 6 valves, I’ll happily repurchase when needed. Spectra moms – these are worth every penny!