This kit contains a replacement filter cartridge for the TrailShot filter, as well as the small components and instructions necessary to service your TrailShotwater filter for lasting performance. Replacing your filter cartridge is easy to do and will restore the filters flow rates. The filter cartridge lasts up to 2,000 liters, depending on the water conditions you filter. Effective against bacteria Effective against particulate Effective against protozoa Technical features Flow (L/min): 1 liters per min Filter pore size (microns): 0.2 Materials Hollow fiber