Product Description The sturdy design of the Culligan RVF-10 filtration system makes it ideal for exterior water filtering for your RV. Enjoy better-tasting water and cleaner storage tank with this quality filter. The slim design and convenient hose fitting kit make it simple to install and easy to store. The filtration system includes a hose connection kit and model D-15 Level 1 basic replacement cartridge. This replacement filter uses granular activated carbon to reduce sediment along with bad tastes and odors, to include aesthetic chlorine From the Manufacturer The Culligan RVF-10 recreational vehicle water filter(non cellulose) includes a D-15 Level 1 basic filtration cartridge. The granular activated carbon filter reduces chlorine taste and odor, as well as sediment. The one foot connector hose hooks up quickly to RV and the cartridge life will last up to 250 gallons. Includes durable plastic housing and D-15 Level 1 filter cartridge.