Water Bottle Filter. Converts any sport bottle with a straw into a filter bottle. Simply connect the straw in bottle to the filter. The activated carbon reduces waterborne chemicals, organic contaminants, improves water taste and eliminates odors. Miraguard Antimicrobial Technology suppresses the growth of bacteria, algae, fungus, mold and mildew within the filter media. Filters up to 100 gallons of water (378 one liter bottles of water). Hang packaged. Tactical packaging.