You'll be hard pressed to reach the 100,000 gallons of water this will filter. They dub it "A lifetime of water at hand." The Sawyer MINI is our Go-To for backcountry hunts due to the sheer versatility and lightweight nature of this little filter.The MINI filter weighs only 2 ounces and is rated to 0.1 micron absolute. The MINI can be attached to a drinking pouch or bottle, inline from a hydration bladder, or direct to a hose to become a drinking straw from any water source. You can also rig this filter to be a gravity feed filter so when you're sitting at camp, it's making clean water for you to drink/use later. Features:Ideal for outdoor recreation, hiking, camping, scouting, domestic and international travel and emergency preparednessThe MINI removes 99.99999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9999% of all protozoa, such as giardia and cryptosporidiumHigh performance filter fits in the palm of your hand, weighs 2 ounces and filters up to 100,000 gallons (30 times more than comparable filters)Attaches to included drinking pouch, standard disposable bottles (28 mm thread), hydration packs, or use the straw to drink directly from your water sourceKit Includes:1 - Sawyer MINI Water Filter with Tip Cap1 - 16 oz Reusable Squeeze Pouch1 - 7" Drinking Straw1 - Cleaning Plunger (Syringe)Cleaning and Maintenance InstructionsColor: Black