Highest Filtration StandardThe Outdoor Water Purifier uses 0.01 micron ultrafiltration membrane, which can effectively remove 99.99% of bacteria in water, such as Escherichia coli , Staphylococcus, Salmonella, Cholera and other pathogenic bacteria. Eliminates 99.99% of aquatic parasites such as Giardia and Cryptosporidium, and 99.99% of airborne pollutants such as algae, as well as dust, turbidity and odors. Excellent cleaning effect FiltrationThe Multi-Layer Water Filter with Straw does not add iodine, chlorine or other chemicals, which can effectively reduce heavy metal ions and organic pollutants in water and quickly convert sewage in pure drinking water. Note: The Hiking Water Filter cannot filter soluble water such as sea water, drinking and industrial water and coffee. The water temperature should be between 0-32C. 5000L Filtration VolumeThe Portable Camping Water Purifier can filter up to 5000 liters/1320 gallons of water. natural fresh water. The 0.01 Micron Outdoor Water Filter can provide you with around 10000 bottles of drinking water with a flow rate of around 800ml/min. If the water flow becomes weak, rinse the syringe several times in the opposite direction. Perfect for outdoor adventures, hiking, camping, canoeing, fishing, emergency use (tornado, flood).