Convenient and easy to use, model RV-700 is a disposable exterior pre-tank filter. It also filters dirt and sediment to keep your storage tank clean and clear. For use with 3/4-inch flexible hose couplings in RV or Marine applications. Provides high flow rate for quick tank fill. Model RV-700 includes filter cartridge only (no hose) and can be used as the replacement cartridge for the RV-800. Cartridge life of 2, 000 gallons/1 season.