COS-UC30 12" 8 - 3/4" 9 - 3/4" 6" 1 29 - /2" 27 - 1/2" 1" 1" HOOD MOUNTING SCREWS 20 - 1/2" BACK CABINET FRONT 12" 9 - 1/4" 6" 3 - 1/3" 1 - 1/4" 1 - 1/2" 10" ELECTRICAL ACCESS HOLE (IN CABINET BOTTOM) TOP VIEW 1"