The New Camping Outdoor Purification Straw $ 9.02 Product information: Provide convenient, safe and clean outdoor drinking water Super water purification ability: under normal circumstances, it can filter at least 3000 liters of water Remove at least 99.9999% of aquatic bacteria Remove at least 99.9% of aquatic parasitic protozoa Reduce turbidity: can filter out about 0.2 microns of particles Does not contain chemicals Large water flow (60CM elevation flow rate above 300ML per minute) No need for electricity/battery, or replacement parts (backwashable) Size Information Packing list: Water Purifier*1