4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring (551511234-25R)

The 4 in. Steel Octagon Extension Ring increases the height of 4 in. octagonal ceiling boxes. It is 1.5 in. deep and provides an additional 4 knockouts for convenience. Item is intended for use with fixtures up to 50 lbs. and is not fan rated.