Don't count on the water in the backcountry being safe to drink. The Katadyn Hiker Pro Water Filter is the best compact microfilter on the market. Protect yourself. The Hiker Pro has two extra features over the Hiker: A removable, cleanable filter protector that extends filter life and a set of quick-connect fittings that make attaching the inlet and outlet hoses more convenient. The replaceable filter cartridge has 129 square inches of pleated glass fiber filter media with a 0.2-micron pore size. Removes bacteria, Giardia, Cryptosporidium and other microorganisms. The removable, cleanable filter protector extends the cartridge life in challenging conditions. Filters up to 300 gallons of water with each cartridge. The efficient pump design puts out 1 liter per minute of clean drinking water. Quick connect fittings on the inlet and outlet ports make it easy to install hoses. An activated carbon core in the filter cartridge reduces unpleasant tastes and odors from water. Connect directly to water containers and hydration packs with the included accessories. Includes: Removable filter protector, two quick-connect hose sets, hydration system connector, intake hose with prefilter, outlet hose with universal water bottle connector, carrying bag and instructions.