Arlington FBS420 Steel, Octagonal Mounting Box for Fan and Light Fixture, 2" Depth, Mounts Under Joist, UL rated: 70 lb. fan, 200 lb. fixture
Ceiling fan/fixture boxes mount directly to a joist for a supersecure
installation. 2" Box Depth/20.0 Cu. In Mounts Under Joist
Features and Benefits
• No loose parts to misplace – totally self-contained!
• Combination hex/Phillips head screws for easy installation with power
• FBS420 is UL rated: 70 lb. fan, 200 lb. fixture; CSA rated: 50 lb. fan/fixture
Fan Fixture Boxes / Brackets Specification - PDF