The Sawyer MINI Water Filter is rated to 0.1 micron absolute, weighs only 2 ounces, and filters up to 100,000 gallons! This award winning system is reliable and easy to use. The MINI can be attached to the included collapsible drinking pouch, inline on a hydration pack, on a standard soda bottle, or simply use the included drinking straw to drink directly from the water source. How is that for versatility? Like all Sawyer filters, a proper backwashing can restore up to 98.5% of the filter’s flow rate. That means no expensive cartridges to replace, ever. Ideal for outdoor recreation, hiking, camping, scouting, domestic and international travel and emergency preparedness, the MINI removes 99.99999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9999% of all protozoa, such as giardia and cryptosporidium. This high 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). Kit Includes: 1 – Sawyer MINI Water Filter with Tip Cap 1 – 16 oz Reusable Squeeze Pouch 1 – 7″ Drinking Straw 1 – Cleaning Plunger (Syringe) Cleaning and Maintenance Instructions Available in Black or Orange.