The only portable outdoor water filter that can be converted for RV, emergency, or temporary home use when Combi Plus Faucet Mount Adapter is added to unit. The Katadyn Combi combines a silver impregnated ceramic element and a refillable, activated carbon cartridge. It is effective against bacteria and protozoa and also reduces chemicals and bad taste. Specifications: •Technology: 0.2 micron ceramic depth filter and activated carbon •Output: Up to 1 liter/min •Cartridge Capacity: up to 13,000 l (depending on water quality) •Carbon Capacity: up to 100 gallons (2 fillings) •Weight: 21 oz •Size: 12" Includes: Prefilter, bottle adapter and carry bag, measuring gauge and cleaning pad, optional Plus Kit.