The EcoPure EPRV30 In-Line Universal RV & Marine Filtration System filtration system delivers clean, great-tasting water to campers, trailers, motorhomes or boats. Sporting a slim design, the EPRV30 includes a 12 inch flexible hose that connects easily to standard garden hose fittings. This in-line filtration system reduces sediment, dirt, rust and chlorine taste and odor.