Question: Is Replacing Duckbill Valves Just a Gimmick?
Question: Is Replacing Duckbill Valves Just a Gimmick? Is Replacing Duckbill Valves Just a Gimmick?I’ve been exclusively pumping for 6.5 months and have recently watched a video that showed that you need to replace your duckbill valves. The video showed you can test if the old parts are bad by putting water in them and […]