Katadyn Combi Microfilter Powerful burner of the crux Lighter in weight Excellent balance of weight and efficiency Easy and efficient storage Compact, travel-ready water filtration device combines cleanable, silver-impregnated ceramic element and refillable, activated carbon cartridge Quickly and easily turns stream, river, and lake water into crisp, clean, safe drinking water; effective against bacteria and protozoa, while also reducing chemicals and bad taste Cleanable 0.2-micron ceramic depth filter with activated carbon granulate 13,000-gallon capacity per filter with one quart per minute output; measures 2.4 by 12 inches (W x H) with 21-ounce weight Includes limited three-year manufacturer's warranty