Hubbell Raco Round Ceiling Fan Support Box With Wood Joist Bracket, 1-2" Bottom Knockouts, 1-1-2" Deep, 4" Round

Ceiling fan rated round boxes can be used in the installation of heavy light fixtures or ceiling fans. | Includes nonmetallic sheathed cable connector, mounting hardware, and instructions | High strength, hardened screws | Knockouts in bottom of box allows for easy entry and exiting with cables | Features FA bracket which allows box to be securely mounted flush with stud or joist