36 wide x 30 high. The interior is 19 1/2 x 34 1/2. The filling adds 2 in. And can be cut to sit on your face frame from your cabinets or return to the front to fit between cabinets. You can order it unfinished or primed pine.Any large hood that 36 x 36 there will be an additional shipping cost add. It's just a hood cover. You can find a fan insert to build.