Geigerrig Hydration Reservoir (Hydration Engine) is ready for this filter.

Consistently removes protozoan cysts, bacteria, and virus to ANSI/NSF Standard 52, and US EPA standards without the use of disinfecting chemicals such as chlorine, bromine, or iodine.

Suppresses the growth of bacteria, algae, fungus, mold and mildew within the filter media.

100 gallons of filtration. Depends on the amount of sediment in the water.

5.75 inches long. 1.5 inch diameter.