Ceiling Box extender for setback ceiling boxes. Fits 3-1/2'' and 4'' round octagonal boxes, extends boxes up to 1-1/2'' and has a 2 hour fire rating
Ceiling Box extender for setback ceiling boxes. Fits 3-1/2'' and 4'' round octagonal boxes, extends boxes up to 1-1/2'' and has a 2 hour fire rating