Katadyn Hiker Pro Microfilter FEATURES of the Katadyn Hiker Pro Microfilter Removable filter protector extends cartridge life Quick connect fittings make installation and removal of input and output hoses easy Connects directly to hydration packs with 1/4in. drink tubes (ie Camelbak) SPECIFICATIONS of the Katadyn Hiker Pro Microfilter Microfiltration Method: AntiClog Technology: 129 square inches of pleated 0.3 micron glassfiber media. Activated Carbon Core: reduces unpleasant tastes and odor from water Output: Up to 1 quart (1 liter)/minute (48 strokes/minute) Cartridge Capacity: 200 gallons (750 liters), depending on water quality Weight: 11 oz Height: 6.5in. Includes: Prefilter, Universal Bottle Adaptor and Carry Bag This product can only be shipped within the United States. Please don't hate us.