Carlon 1-Gang 18 cu. in. PVC Round Old Work Electrical Box B618RR - The Home Depot
314.27(C) Boxes at Ceiling-Suspended (Paddle) Fan Outlets.
RACO: Choosing the Correct Ceiling Fan Box - YouTube
Arlington FBRS4200R-1 Steel Fan and Fixture Mounting Box with Adjustable Bracket, (Retrofit) 16-24-inches | Ceiling fan installation, Diy electrical, Ceiling fan wiring
Steel Fan and Fixture Box - YouTube
How to Install a Ceiling Fan Electrical Box
Raco 926 Ceiling Box, 4 in W, 1-1/2 in D, 4-1/4 in H, 1-G...
How to Retrofit a Ceiling Fan Electrical Box - Fine Homebuilding
Retrofitting a Ceiling Fan - Fine Homebuilding
Legrand-Pass & Seymour 22200 Retrofit Reiker Fan Brace with 25-Cubic-Inch Electrical Box - Junction Box Fan Ceiling Westinghouse - Amazon.com
Ceiling Fan No Electrical Box? HOW TO EASILY FIX! - YouTube
RACO 1-Gang Metal Old Work Ceiling Fan Electrical Box in the Electrical Boxes department at Lowes.com
Westinghouse 15.5 cu. in. Retrofit Ceiling Fan Saf-T-Brace 0110000 - The Home Depot