The 0.01 micron filter removes 99.9999% of harmful substances and protozoa, providing safe and clean drinking water from outdoor sources. Superior water purification performance filters out unpleasant odors and colors while reducing water turbidity. Detachable components allow for easy cleaning, and the replaceable filter ensures long service life. 770ml capacity with a filtration lifespan of up to 2000 liters, suitable for extended outdoor use. Nozzle cap design is dust-proof and leak-proof; no leakage even when inverted. Package Includes: 1 x Water Bottle 1 x Manual 1 x D-Buckle Item Type: Filtered Water Bottle Water Bottle Material: PP + PC + Tritan Filter Material: Carbon Fiber + Ultrafiltration Membrane Product Weight: Approx. 225g / 7.9oz Capacity: 770ml Filtration Life: 2000L Flow Rate: 1100ml/min Applicable Water Source: River water, lake water, stream water, groundwater, rainwater, surface water, and other freshwater sources without chemical contamination