
I've tried the white ones, blues ones, and also the Legendairy milk pink valves. In order of suction power: Legendairy milk > blue valves > white valves. Now that I've been exclusively pumping for over 4 months, I realized how important the suction power of valves are. Anytime the suction goes down, I get clogs. I had to replace the blue valves every 1.5-2 weeks (at 5 pumps per day). Maybe I just require high suction. I recently got the Legendairy milk valves and they are definitely thicker than these Maymom valves and I can feel the higher suction. However, I've only used the Legendairy milk valves a few days so I don't know how long before they need to be replaced. I will try to update later if I remember.

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