The EVO X2 0.5-Micron Carbon Block Replacement Cartridge is a replacement filter for the EVO X2 Dual Stage Water Filter Kit (item #118586). It reduces cysts and chlorine in your freshwater by up to 99%. The 0.5-micron filtration also significantly reduces sediment. The cartridge will fit most 2.5" x 10" canister-style filter housings and can be easily replaced without tools.• Reduces cysts such as cryptosporidium and giardia lamblia by up to 99%• Reduces chlorine by up to 99%• 0.5-micron filtration significantly reduces sediment• Fits most 2.5" x 10" canister-style filter housings 0.5-micron filtration reduces sediment Fits most 2.5" x 10" canister filter housings | EVO X2 Carbon Block Replacement RV Water Filter