"An ideal choice for backpackers and outdoor enthusiasts, the Katadyn Hiker Microfilter offers fast and easy-to-use water filtration. At its core is a pleated, glass-fiber filter cartridge with activated carbon to improve taste and reduce chemicals. The .2-micron filter removes bacteria and protozoan cysts from outdoor fresh water sources. The Hiker's compact design packs away easily and pumps an impressive 1 lpm. Compatible with most popular water bottles or hydration systems with the EasyFill adapter. The generous 36"" hose comes with a modular prefilter for use in occasionally turbid water. Includes prefilter, bottle adapter, and carry bag. Weight: 11 oz. 6.5""H x 3""W x 2.4""D. Capacity: Tested up to 750L, depending on water quality. Convenient and compact water microfilter for 13 people Great choice for backpacking, hiking, and other outdoor adventures Compact design fits easily into a backpack or travel bag Replaceable, .2-micron glass fiber pleated cartridge with active carbon core Filter removes bacteria, protozoan cysts"