The Sawyer 2-Liter Bag to Bag Gravity Flow System is a sturdy, reliable water filtration system. With the ability to convert into a hydration pack this system would fit right in with your Big game essentials. From hanging it from the trees to setting it on a rock the Sawyer Bag to Bag gravity flow system is certain to meet your needs. Effective against MicroorganismsDurable Kit Contents:2-Liter Nylon Dirty Water Dispenser 2-Liter Nylon Clean Water Storage Vessel0.10 Micron Absolute Inline Water Filter Faucet Adapter Drink TubeQuick-Release Tube Cleaning and Maintenance Instructions Hanging StrapSpecs: Filter: Hollow Fiber Filter 0.1 Micron2-Liter capacity Dimensions: 7" x 17.5" Weight: 12 oz