Rough opening: 5 ¾" W x 4 7/8" H x 3 ½" D. Faceplate dimension 8 ¼" W x 7 5/16" H. Contour box design allows easy valve access. One-piece box and flange design needs no additional support framing nor support framing labor. Snap-on faceplate accommodates up to ¾" drywall. Faceplate unassembled in contractor packs. Valves feature Mylar® tag and AB1953 stamping for easy Identification. Low Lead Series Ice Maker Boxes are available in galvanized, plastic, metal and fire-rated. Product covered by one or more of the following patents -D411,870; D471,960.