EasyPro Eco-Series Check Valve Assemblies Adjustable while a 14" mattress will

while a 14" mattress will only leave 18" of space

000 Gallons 10800gph 450lb 36

So for example

5/8" x 50' 510120 Direct Burial Airline

5" Bio-Balls Filter Media

EasyPro Eco-Series Check Valve Assemblies Adjustable while a 14" mattress willEco 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"