Sawyer Products MINI Water Filtration System

Best Water Filter "The Best Gear for Your Bug-Out Bag"The versatile MINI attaches to the included drinking pouch, standard disposable water bottles, and hydration packs — and you can drink directly from a water source with the included drinking straw. Each MINI comes with a durable, collapsible 16-ounce reusable squeeze pouch that rolls up when empty, so it won't take up space in your pack. Making it ideal for ultralight backpacking and camping, as well as emergency preparedness. Read instructions prior to use.