Arlington FBRS420SC-1 Steel Fan and Fixture Fan Mounting Box for Suspended Ceiling, 70-pound capacity, Metallic, 1-Pack ADJUSATABLE MOUNTING BAR - For mounting a fan or fixture on a suspended ceiling grid. NO ASSEMBLY REQUIRED - Comes preset for a 24 grid. No parts to lose. Installation and adjustment screws ship parked in place. BREAKABLE, MOUNTING CLIPS - Lower box position for ceiling tiles that extend below the grid LOAD RATING - UL rated: 70 lb fan, 70 lb fixture; CSA rated: 50 lb fan/fixture SPECIFICATIONS - Weight: 5.55 lbs/each - Height: 5.500" - Width: 24.000" - Style: 2" Box Depth - Usage:Suspended Ceilings