Unlike any other hydration pack on the market, Geigerrig Rig 500 has a pressurized tube capable of spraying water with a pinch of the quick-release valve. Spray it to cool down, clean up or share a drink. Just give the easy-access power bulb a few quick pumps and spray away. Its easy to drink and just as easy to clean. The 70-oz./2-liter hydration engines reversible reservoir has a slide top for easy refilling and is dishwasher safe. Remove the drinking tube for cleaning using the plug-and-play connectors. Hook the tube up to an optional in-line filter (sold separately) for instant conversion to clean drinking water. Heavy-duty ballistic-nylon shell protects the hydration system with its rugged, abrasion-resistant durability. Waist, chest and shoulder straps quickly adjust for a custom fit and feature PVC-reinforced compression straps and industrial-load disbursement for weight-distributing comfort. Use the shoulder straps terraced overlay to adjust tube and power-bulb placement. Eco Rig back pads with Air Drive ventilation promote airflow to keep you cool during wear. The 500-cu.-in. dry storage capacity includes internal storage compartments and organizer. Store your smartphone or MP3 player in the waterproof zippered compartment. Reflective tabs and zipper pulls increase visibility and safety. Heavy-duty nylon pack handle. Vertical attachment hoops. Heavy-duty No. 8 coil zippers. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hydration Packs.