Valterra Exterior RV Water FilterFresh Water Filter Aqua Fresh Fits Standard Garden Hose For In Line Exterior Filter KDF and Granular Activated Carbon (GAC) Limits Bacteria Growth Reduces Chlorine Taste And Odor Reduces Sediment And Scale With Hose Protector 6 Months Of Usage Or Up To 3000 Gallons With Connect Fittings And Hose Saver Single Retail Package Reduces Chlorine, Taste And Odor Reduces Sediment And Scale Limits Bacterial Growth While Stored Large Capacity, Wide Body Allows