OBEX Octagonal box extension ring 4 in. diameter x 1/2 in. deep 5.0 cu in.

Octagonal box extension ring 4 in. diameter x 1/2 in. deep, 5.0 cubic in. Concentrics knockouts.

To extend an existing octagonal box
Mount with screws directly on the original box
Adds volume
Cubic capacity: 5.0 cu. in.
1/2 in. deep
4 in. diameter

--CSA CERTIFIED--