Lightest filter on the market1.83 oz mini filter for kids and families. Includes mini water filter, reusable squeeze bag, 8 inch extension tube, 3 pp cotton pads and syringe. Advanced filtration technologyMicro-filtration straw eliminates the passage of 99.9999% of particles, pollutants, chlorine and disease contaminants, and disperses flavors. Top filtrationExcellent 0.01 micron 2-stage fiber membrane and medical grade pp cotton inline filter. Perfect for outdoor adventures, backpacking, camping, hiking, travel. Long service lifeProvides up to 100,000 gallons of safe drinking water with a flow rate of 0.2 gpm. A must-have for emergency kits and crisis preparation. Wide applicationConnect the water filter directly to a drinking bag, threaded water bottle, water bladder or beverage without the use of any chemicals.