MSR Trailshot Trail Base Filter Cartridge & Maintanence Kit

Water filter replacement cartridge for the MSR TrailShot Microfilter and the MSR Trail Base Gravity Filter
Effective against bacteria (99.9999%), protozoa (99.9%) and particulate; filters up to 2,000 liters without iodine, chlorine or other chemicals
Hollow fiber technology allows water to pass through but traps harmful protozoa, like giardia and cryptosporidium, and bacteria, like salmonella
Refreshes the flow rates of any MSR TrailShot Microfilter or MSR Trail Base Gravity Filter
Ultralight (1 ounce) and compact (3×1 inches); filters 2,000 iters before needing to be replaced; manufacturers 3-year limited warranty