Alexapure Survival Spring Field-Ready Water Filter in King&rsquo;s Camo Shadow Pattern Pocket-Sized Personal Water Filter - Goes with You Anywhere Filters Up to 300 Gallons of Water Removes up to 99.9999 % of Waterborne Bacteria and Protozoa Two-Stage Filtration Process Removes Sediment and Particles as Small as 0.2 microns BPA-Free with Threaded Bottom for Attaching to a Plastic Bottle