Masonry Box Partition, Low Voltage, 3-1/2" Deep, Steel

RACO' Masonry boxes are designed to accommodate the mounting of switches or other devices in masonry walls Gangable masonry boxes offer the option of constructing a box to hold two or more devices 2-1/2' deep boxes are used in 4' block walls, 3-1/2" deep boxes are used in 6" or 11" block walls