GEERTOP Diercon Pocket 1500L Personal Water Filter Purifier Straw, 0.01 micron 99.99% Filter Bacteria Rate, 2.2 oz Lightweight - BPA Free Physical filtration: Ultrafiltration membrane (0.01 micron) and activated carbon. The filter bacteria rate is up to 99.99%, most common pathogenic bacteria can be filtered, heavy metal ions and organic contaminants like VOC, residual chlorine and more can also be removed completely. Test by Germany TUV SUD authority proves that the filtered water meets the human drinking water quality standards of EU 98 / 83 / EC; the water quality meets the clean water standards of Environment Protection Agency (EPA). 1. Dustproof water nozzle cap: Prevent the filtered water from being re-contaminated. 2. Unique hand pull-ring design: A combination usage of hand pull-ring and pull-ring button enables the suction pipe to be either pulled or hanged. 3. With anti-skid chequer design on the surface. Applicable water quality: lakes, rivers and other outdoor freshwater. Material: ABS, PP, silicone It is portable, Product Size: 31 * 160mm (1.22 * 6.30inches). Applicable to outdoor recreation, hiking, climbing, border defense, adventure and emergency rescue.