Surface mount back box for installation of narrow request to exit stations on door mullions.
- Machined from 6061 solid aluminum with radius corners
- Four .170 mounting holes and two 0.375" wire holes in the rear of box
- Size: 4-1/2" L x 1-7/8" W x 1-7/8" D
- SMB-3D available with Duranodic finish (US40)