Replacement classic, bacteria-fighting cartridge for a Hydro Life HL-200 series RV Filtration System (or any filter system with standard 10" housing).Finest acid washed coconut shell carbon used in conjunction with "bacteriostatic" KDF media combine to filter bacteria, heavy metals, chlorine, hydrogen sulfide, lime/scale, VOC's, odor and taste. Made in the USA. | Camco Hydro Life HL-200 Series Replacement RV Water Filter Made in USA