Porter Electrical Box Insert for Wall Padding

The neat, clean appearance of these inserts makes them an ideal option when cutouts are required for electrical outlets and switches. Inserts fit through field cutouts and are stapled in place on the backside of the pad. Inserts accommodate pad thickness of 2 7/16". Available in two sizes to fit single and double-gang electrical boxes. Inserts are molded in flame-retardant rubber.