1,This filter is made of quality PVC,and can resist chromate solution and various acid alkali. 2,It is applicable for filtering chromate solution and chemical solution. 3,Pump is made of PVDF,pump seal applies the smallest O-shaped ring seal,therefore,the seal performance of the pump is better. 4,Applicable temperature is <55 C 5,Filter applies filter core lock type and features outstanding seal performance without any metal in the filter canister . 6,PVDF self-suction pumpl is installed installed according to client"s repuirements.