Detailed Product Description ANOW PP cartridge filters: Material of Construction Medium Polypropylene Core, Cage & End ... Caps Polypropylene .PVDF Support & Drainage Polypropylene,High temperature resistant PP, PVDF O-ring Options Silicone, Viton, EPDM Gasket Options Silicone ... /Flat, 226/Fin, 226/Flat, DOE Sealing Thermal Bonding Effective Filter Areas:≥0.6m2/(10")