The Powermaster Pattress Box 2G 47Mm provides a flush and secure installation by creating a cavity or enclosure for the wiring connections behind the wall surface. This particular pattress box is designed to accommodate two gangs, meaning it can hold two electrical devices side-by-side. It has a depth of 47mm, which provides ample space for wiring and makes it suitable for use in most standard wall constructions. The Powermaster Pattress Box 2 Gang 47mm is a durable and reliable option for electrical installations in homes, offices, and other buildings.