Arlington FBS415S Steel, Octagonal Mounting Box for Fan and Light Fixture, 1-1/2" Depth, Mounts on Side of Joist, UL rated: 70 lb. fan/fixture
Ceiling fan/fixture boxes mount directly to a joist for a supersecure
installation. 1-1/2" Box Depth/14.6 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
• FBS415S is UL rated: 70 lb. fan/fixture; CSA rated: 50 lb. fan/fixture
Fan Fixture Boxes / Brackets Specification - PDF