The Indian DBL500 Chief Collapsible Bag with Liners is a backpack style fire pump. Features a 5-gallon dual collapsible bag fire pump with a vinyl inner bag and a protective nylon fabric outer bag. Bag forms to user's back for optimum comfort. Filter screen at outlet prevents clogging. Ventilated cap with watertight gasket. 3-inch fill port with easy quick connect. Utility pouch holds, included extra liner with room for extra gear. Fedco pump made from two seamless brass cylinders. Guide bushing on inner cylinder ensures bind-free operation. Combination brass nozzle allows operator to switch from straight stream to cone spray quickly with no special tools.