Arlington FBRS415 Steel Mounting Box with Adjustable Mounting Bracket for Fan and Light Fixture New Construction Up to 1-1/4 Ceiling Thickness UL rated: 70lb. fan/fixture
Close shot of a deep octagonal electrical ceiling box with wires | Ceiling lights, Light fixtures, Light installation
CARLON Super Blue 1-Gang Blue Plastic New Work Standard Round Ceiling Electrical Box in the Electrical Boxes department at Lowes.com