Reduce chlorine and dangerous cysts by 99%.Carbon block cartridge traps protozoan cysts (cryptosporidium and giardia). One-micron filtration virtually eliminates sediment and significantly reduces other contaminants that produce bad taste and odor. High flow rate of 2.5 gpm and up to 10, 000 gallon capacity. Radial flow design allows water to touch entire surface area of filter for better performance instead of channeling through or bypassing the filter. No carbon particles are released into water. 20-100 psi. Fits most 10" canister-type filter housings. USA. | Camco Hydro Life Carbon Block Replacement RV Water Filter Cartridge