This is a wood grill matches the Cabinet Toe Grill and is mounted into a rectangular opening. Installation-1.Determine the location for the grill ensuring that there will not be any obstructions inside the cabinet,2.Cut a 2 x 15 3/8 inch (5cm x 39cm) opening in the cabinet - using a jig saw for accessible cuts or saws-all may work best for tight working conditions,3.It may be easiest to mount using double stick tape or velcro or you can follow directions that are included with the unit to use the enclosed mounting hardware.