2-Cartridge Filtration: Use our two-cartridge (5-micron PP cotton, 5-micron CTO) RV water filtration system to remove impurities from tap water effectively. It traps sand, rust, sediment, adsorbs chlorine, chloramine, iron, manganese, lead, undesirable colors, and odors, providing safer and purer water for you Extended Lifespan: The RV filter system uses a 2.5 x 10 in filter cartridge, with a filtration flow rate of 2.9 GPM, capable of filtering 4,500 gallons of water without clogging. Ensures the cartridge maintains purification accuracy without overloading. To replace the cartridge, use the included wrenches to remove the filter housing Leak-Proof: The PP housing is freeze-resistant and impact-resistant. The filter housing features sealing rings that prevent water leakage, even in the bumpy environment of an RV Year-Round Use: The RV water filter system can be used all year round within a wide water temperature range of 4