Best Camping Water Filter with 3-Stage Filtration to 0.01 Microns - Acquapura Personal Water Filter Weighs only 2.12 Oz,Filters Upto 396 Gallons and Attaches to Most Water Bottles ColourMulticolourCapacity396 GallonsItem Dimensions LxWxH15.2 x 4.6 x 3 CentimetersItem Weight0.02 Pounds Item Case Number: 5