Small, lightweight, and capable water filter Hollow fiber membrane filter - backflushable, filters up to 100,000 gallons Filters down to 0.1 micron absolute - exceeds EPA and NSF recommendations Removes 99.99% of all particles, protozoa, and bacteria from water Easy-to-use design - Fill up water pouch at lake or river and squeeze through filter Includes filter, 16 oz. pouch, 7 drinking straw, cleaning plunger, and instructions Filters water straight from a lake, hydration reservoir or household faucet Filter water straight from a lake, hydration reservoir or household faucet quickly and easily with the Mini Squeeze Water Filter from Sawyer. Built around Sawyer's Hollow Fiber Membrane, this filter physically removes particles, 99.9% of bacteria and 99.9% of Protozoa down to 0.1 micron absolute in size, including salmonella, cholera, E.coli, giardia and Cryptosporidia. A backflushable design, the Mini Squeeze filters up to 100,000 gallons over its lifetime. A versatile, easy-to-use design, you can use this filter with the included 16 oz. reusable squeeze pouch, on top of a disposable water bottle, or inline on a hydration pack. The removable push/pull cap allows you to spray water straight into your mouth or a water bottle in about 30 seconds. Filter comes with 16 oz. reusable squeeze pouch, 7 drinking straw, cleaning plunger, and instructions. Weight: 2 oz. Manufacturer model #: SP128.