Reflector Specifications Louvered on one end and top Steel with white powder coat German made 95% reflective textured aluminum interior Chrome wire hangers included for easy hanging Dimensions: 22¼"L X 24"W Tempered Glass sold separately (required for UL listing in Metal Halide Systems) Can be converted to air cooled by attaching optional hose fittings Will accept all full size Metal Halide (including BT-56)