Carlon 4 in. 24.5 cu. In. Hard Shell PVC New Work Electrical Ceiling Fan Box

The Super Blue Round Fan 25 cu. in. Non-Metallic Hard-Shell Ceiling Box is designed to not break or crack, even in extreme conditions. Box is mounted on adjustable 11-1/2 in. to 18 1/2 in. hanger bar. It is made with thermoplastic PVC for durability. Its hard shell resists flexing and holds its shape in bad conditions, and the box is fire rated and UL listed to help ensure safety.