This product is ideal for outdoor activities, hiking, camping, scouting activities, domestic and international travel, and emergency preparedness. It features a high-performance built-in filter with an absolute filtration accuracy of 0.1 micron, is compact and portable, weighing only about 57 grams. All MINI models are triple-tested to meet Sawyer's performance standards. It can be connected to the included water pouch, a standard disposable water bottle, a hydration bladder, or used directly from the water source with a straw. It removes 99.99999% of bacteria (Salmonella, Vibrio cholerae, and E. coli); removes 99.9999% of protozoa (such as Giardia lamblia and Cryptosporidium); and removes 100% of microplastics. The filter has a nominal filtration capacity of up to approximately 380,000 liters. Includes a Sawyer MINI filter, a reusable squeeze pouch of approximately 473 ml, an approximately 18 cm straw, and a cleaning plunger. This product is ideal for outdoor activities, hiking, camping, scouting activities, domestic and international travel, and emergency preparedness. It features a high-performance built-in filter with an absolute filtration accuracy of 0.1 micron, is compact and portable, weighing only about 57 grams. All MINI models are triple-tested to meet Sawyer's performance standards. It can be connected to the included drinking pouch, a standard disposable water bottle, a hydration bladder, or used directly from a water source with a straw. It removes 99.99999% of bacteria (Salmonella, Vibrio cholerae, and E. coli); removes 99.9999% of protozoa (such as Giardia lamblia and Cryptosporidium); and removes 100% of microplastics. The filter is rated for a filtration capacity of up to 100,000 gallons (approximately 38,000 liters); includes a Sawyer MINI filter, a reusable 16-ounce (approximately 473 ml) squeeze pouch, a 7-inch (approximately 18 cm) straw, and a cleaning plunger.