Carlon 25 cu in Round Thermoplastic 1 gang Electrical Box w/Hanger Bar Blue

Super Blue BH525H New Work Round 25 cubic inch Non-Metallic Hard-Shell Ceiling Box is designed to not break or crack, even in extreme conditions. Mounted on adjustable 11-1/2 inch to 18-1/2 inch hanger bar. It is made with thermoplastic PVC for durability. Its hard shell resists flexing and holds its shape in bad conditions and the fire rated and UL listed to help ensure safety.