Katadyn KFT Expedition Filter Water perfication kit Katadyn kft expedition (high capacity System) 8016389 Katadyn kft expedition (high capacity System) 8016389 Ideal potable drinking water solution for large, mobile groups; often used by trekking outfits and relief organizations around the world Durable and easy to use; exclusive, silver-impregnated ceramic element produces up to 26,000 gallons before it needs replacing Highest flow rate of any portable filter at one gallon per minute; comes with pre-filter and convenient carrying bag Measures eight by 23 inches (W x H); NATO # 4610123490574; cleanable 0.2 micron ceramic depth filter; 183.4-ounce weight Includes limited three-year manufacturer's warranty