Arlington Industries BE1R Ceiling Box Extender
Ceiling Box extender. for setback ceiling boxes. Fits 3-1/2 and 4" round octagonal boxes. Extends box up to 1-1/2" and has 2 hour fire rating.
Ceiling Box extender. for setback ceiling boxes. Fits 3-1/2 and 4" round octagonal boxes. Extends box up to 1-1/2" and has 2 hour fire rating.
