The Valterra A01-1137 AquaFRESH Sediment Pre-Filter Cartridge replacement eliminates fine sediment and rust particles from your RV or camper's fresh water system. Specifications•Used For: Remove Fine Sediment And Rust Particles•Type: Exterior Cartridge•Micron Rating: 10 Micron•With Flexible Hose Protector: No•Quantity: Set Of 2 High Quality Full Line For All Filtration Needs Interchangeable | Valterra Fresh Water Filter