Aqua One Air Line Check Valve protects your air pumps from water damage. AquaOne check valve protects your fish tank air pumps from back-siphoning water or tank draining that may occur with power outages or air pump malfunctions. A quick and easy solution to prevent a costly clean-up. Use one check valve for each air pump outlet.
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Wonderful service. I had some problems with some equipment that I had and they fixed it for me in a flash. My fish have never been happier and my tank has never been cleaner. My fish are even breeding now. Thanks guys. - Steve Gleeson