Product Name: Sodium Polyphosophate Filter Cartridge (KCPSP) Model NO.: KCPSP Filtration Grade: PRE Filter Usage: Liquid Filter Type: Standard Filter Cartridge Medium Material: Polyphosphate Material: Polyphosphate Trademark: HEATHY / KOCHIN Transport Package: Standard Packing in Export Carton Specification: SINGLE STAGE Origin: Made in China HS Code: 84219990 Product Description 10"filter cartridge with clear housing, inside Sodium PolyphosophateKochin water filtration INC. is a professional manufacturer of water equipment for residential andindustrial use. We are in the Ci Dong Economic Development industrial Zone, which located at the southpier of Hangzhou Bay Bridge. Our new factory covers 30000 square meter, to be one of the biggest watertreatment factories in China.