Designed to be wall mounted and connected to ducting to supply/exhaust air. Heavy-Duty steel construction, painted with matte-white powder coat finish. Features a collar on the backside to attach ducting to the mounted grille. Includes all screws and hardware to easily mount to a cabinet or wall. Ducting Size: 8” | Dimensions: 10.3 x 10.3 x 2.2 in. | Material: Steel