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How often should these be replaced
Asked by: Randijo
In my experience, these membranes were strong. (Definitely not as flimsy as the Pump n Style membranes.) I bought 2 sets so I wasn’t constantly cleaning and never replaced either in my 6 months of pumping. If you notice a decrease in the pressure or if one becomes damaged, replace. Otherwise I would recommend every 3-6 months. Hope this helps!