The B&B Tank Enclosure (B&B Box) is a heavy-duty metal LP tank cover designed to mount on the front of your Ice Castle RV or fish house. Made by B&B Manufacturing, the box protects up to two 30-lb propane tanks and features a pre-drilled hinge so you can choose left or right swing. With toolbox — includes an integrated lockable storage compartment on the top of the box for stowing tools, hoses, gloves, or other gear.