The Sawyer MINI Personal Water Filter fits in the palm of your hand, making it ideal for camping, hiking, scouting, and more. Rated to 0.1 micron absolute, the MINI filters up to 100,000 gallons over the course of its lifetime while removing 99.99999% of bacteria and 99.9999% of protozoa. The MINI is also versatile, with the ability to attach to the included collapsible drinking pouch, inline on a hydration pack, or on a standard 28-mm thread soda bottle. An included straw even lets you drink directly from the water source. Proper backwashing restores up to 98.5% of the filter’s flow rate, meaning no more expensive cartridges to replace. Pack also includes 16-oz. reusable Squeeze pouch, 7″ drinking straw, cleaning syringe, and cleaning and maintenance instructions. Filter material: hollow fiber. Removes: bacteria, protozoa, E. Coli, Giardia, cholera, Salmonella Typhi. Cartridge life: up to 100,000 gallons. Weight: 2 oz.