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5" Bio-Balls Filter Media
while a 14" mattress will only leave 18" of space
This retro kit will prepare your current filter for effective back-washing
organic-reducing results in ponds
EasyPro Eco-Series Check Valve Assemblies Adjustable 5" Bio-Balls Filter MediaEco Series Check Valve Assemblies are used inside Eco Series skimmers to bring the flow of water from the pump up to the outlet hole in the back wall of the skimmer. Check valve assemblies connect the pump to the plumbing and keep plumbing line full of water even when the pump is off. Pre assembled check valves are sized to properly fit a pump and equipment combination to desired pipe size. Model Size Compatible Pumps Fits Inside Wt SCVA1217 1. 25"
