The Bobrick Recessed Dryer Wall Box (750-506) is a wall-mounted box designed to contain drying units in your establishment's bathroom for your customers' convenience. With this box attaching your dryers to the wall, customers will be pleased to see that the hand dryer is easy to reach and even easier to use. Bobrick - 750-506 - Recessed Dryer Wall Box is made to be used in tandem with model 750 surface-mounted and recessed AirCraft dryers, for hands and for hair.