Katadyn Combi Microfilter The only portable outdoor water filter that can be converted for RV, emergency, or temporary home use. 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. The Combi Plus features: 13,000 gallon capacity with cleanable ceramic element; Replaceable activated carbon reduces chemicals. Micro filtration method: Field cleanable 0.2 micron ceramic depth filter with optional granular activated carbon. Output: Up to 1 quart (1 liter) per minute. Cartridge Capacity: Up to 13,000 gallons, depending on water quality. Measures 12"T. Contains: Combi Water Microfilter, ceramic Microfilter cartridge, input hose with modular prefilter, universal bottle adapter, cleaning pad, deluxe carry bag and instructions. Weighs 1.68 lbs.