America's best selling water microfilter. Unique Anti-Clog filter requires no cleaning. Compact and lightweight (only 11oz ), the Hiker is perfect for backpacking and camping. Simple design and easy to use. Chosen "Best of the bunch" by Backpacker magazine field testers. Eliminates bacteria and Protozoa (Giardia & Crypto). Carbon core reduces pesticides and chemicals, producing fresh tasting water. Ergonomic handle makes it easy to pump 1 liter/minute. Size 6 1/2" x 2 3/8". The outdoor market's best selling microfilter - Compact design and easy operation - Chosen "Best in the bunch by a long shot" in Backpacker Magazine's field test for ease-of-use - Best choice for all-around use Microfiltration Method: AntiClog Technology: 129 square inches of pleated 0.3 micron glassfiber media Output: Up to 1 quart (1 liter)/minute (48 strokes/minute) Cartridge Capacity: Up to 200 gallon capacity depending on water quality. Weight: 11 oz Height: 6.5" Hose Lengths: 36" Includes Hydration System Connector, Universal Bottle Adaptor, Modular Prefilter, zippered carry bag and field tips. Katadyn