Ideal for outdoor recreation, hiking, camping, scouting, domestic and International travel, and emergency preparedness High-performance 0.1 micron absolute inline filter fits in the palm of your hand and weighs just 2 ounces; 100% of MINI units individually tested three times to performance standards by Sawyer Attaches to included drinking pouch, standard 28 mm disposable water bottles, hydration packs, or use the straw to drink directly from your water source Removes 99.99999% of all bacteria (Salmonella, Cholera, and E. coli); removes 99.9999% of all protozoa (such as Giardia and Cryptosporidium); also removes 100% of microplastics Filter rated up to 100,000 gallons; Includes one Sawyer MINI filter, 16-ounce reusable squeeze pouch, 7-inch drinking straw, and cleaning plunger