Frp Water Tank Specification: 1)Material:inner shell-Polyethylene (PE),Website:http ... FRP and stainless steel membrane housing, PVC bag filter, PVC cartridge filter, distributors, brine valve, brine tank, water tank...etc. You can achieve a one ... FRP and stainless steel membrane housing, PVC bag filter, PVC cartridge filter, distributors, brine valve, brine tank, water tank...etc. You can achieve a one ...