Ideal for outdoor recreation, hiking, camping, scouting, domestic and international travel, and emergency preparedness. High-performance filter fits in the palm of your hand; weighs just 2 ounces; features a 0.1-micron absolute hollow fiber membrane inline filter. Attaches to a drinking pouch, a standard disposable water bottle, or a hydration pack, or use the straw to drink directly from a water source. Removes 99.99999% of all bacteria, such as salmonella, cholera, and E. coli, and 99.9999% of all protozoa, such as giardia and cryptosporidium. Filter rated up to 100,000 gallons; includes a 16-ounce reusable squeeze pouch, 7-inch drinking straw, and cleaning plunger. When shopping, please pay attention to the size and dimensions of the product to ensure it meets your needs. Detailed information about the product, including features and specifications, is provided in the title and description.