Description: The personal survival water filter has multiple filtration systems, pure physical, precision filtration, and the filtration accuracy can reach 0.01 microns, which can reduce most of the fine substances and provide clean and safe drinking water for outdoor activities. Specification: Name: survival water filter Material: ultrafiltration membrane, ABS, silica gel Filtration Accuracy: 0.01 microns Product Specification: About 40*146mm/1.57*5.74inNet weight of filter element: About 50 grams Applied water quality: flowing jet water, river water, etc. Packing List:1*Survival Water Filter1*Water Bag1*Straw Extension1*LanyardNote:The size in the picture is manual measurement, there will be a little error, please refer to the actual product. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.