Most outdoor water contains microorganisms that can make you sick. Fortunately, a quality portable water system can make virtually any water safe to drink. Katadyn water systems are reliable, easy to use and you'll always know that you can trust you drinking water.High performance version of the Hiker. Includes Filter Protector to extend cartidge life and quick release hoses for easy packing. Also includes hydration adapter to connect directly to most hydration packs. Carbon core reduces chemicals and makes water taste fresh. Lightweight design is easy to pump and provides 1 qt./liter per minute. Replaceable cartridge capacity: up to 200 gallons depending on water quality (more when using Filter Protector). Includes bottle adapter, modular pre-filter, and carry case. Weight: 11 ounces. Click here to view a product video demonstration.