Camco's EVO Premium RV Water Filter Replacement Cartridge is designed to work in Camco 40631 EVO RV water filter. It reduces bad taste, odors, sediment, bacteria, chlorine and much more. It includes one replaceable premium spun polypropylene filter cartridge. Filtration begins with water traveling through the porous shell with openings no greater than 5 microns in diameter. Filtered water passes through a bed of KDF and GAC (granulated active carbon) for further filtration and bacteria control. The result is fresh, clean, great tasting drinking water straight from your tap. The filter typically lasts one camping season. CSA low lead content certified. Complies with California’s AB1953 and Vermont Act 193 Low Lead Laws.