Description of Katadyn Extream Bottle The Katadyn Bottle is a practical drinking bottle with an integrated water filter. Prepare clean drinking water anytime and everywhere: Just fill the bottle and drink – without pumping. Perfect for smaller amounts (e.g. for hiking, travelling or sports). The 3-phase water filter eliminates bacteria, protozoa, viruses and improves taste. The only EPA-registered Purifier. The convenient drinking bottle with a water filter Features: Activated carbon granulate Plastic membrane 1,0 micron Virustat cartridge with pentaiodide (I5) iodine Output ~ 0.2 quarts ~ 0.2 l/min Capacity (depending on water quality) 26 gal 100 l Bottle Capacity 21 oz 0.60 l Weight 7 oz 220 g Dimensions 11 x 3" (28 x 8cm)