Air Conditioning, Heating & Ventilating Equipment, Architectural & Building Hardware, Cabinet Hardware, Laundry Equipment, Ridge, Roof, and Soffit Ventilation, Wall Systems. the Dryerbox is a UL Classified metal;receptacle that safely collects flex exhaust hose neatly in the wall behind the;dryer. With the Dryerbox, homeowners can move the dryer flush to the wall;without crushing the hose or restricting airflow. for the builder, Building Materials, Cabinet Hardware, Floor Protector, Air Conditioning, Cabnet Hardware ...