Pack of 2) Airmont Products AP-12066, 5-inch Ceiling Blank-Up Cover with Center Screw, Fits 3-1/4" to 4" Electric Box, Adjustable Bracket for Screw Hole Spacing 1.75" to 3.5", White Metal - Amazon.com
Carlon 4 in. White Non-Metallic Round Blank Ceiling Box Cover CPC4WH - The Home Depot
White 3.5'' Round Single Outlet Cover Plate | Kyle Switch Plates
White 3.5'' Round Single Outlet Cover Plate | Kyle Switch Plates
Vivotek AM-51E Adapter Plate for 3.5" Electrical Octag AM-51E
Floor Power Outlet Covers - Nickel Duplex Receptacle Plate
Leviton 80530-W 2-Gang Flush Mount 2.465-Inch Diameter, Device Receptacle Wallplate, Device Mount, Midway Size, White - Outlet Plates - Amazon.com
Carlon 4 in. White Non-Metallic Round Blank Ceiling Box Cover CPC4WH - The Home Depot
30A 3 or 4 Wire Power Outlet Cover Plate for 1.73'' TL Receptacles
Single Gang Octagon Box Cover, 3.5 Cubic Inches, 4 Inch Diameter | Crescent Electric Supply Company
Metal Ceiling Blank Up Cover 5 Inch White Round Ceiling Cover Plate with 10 Mounting Screws to Cover Round/Octagon Box Openings in Ceilings or Walls (3 Pack, 3.5 Inch Holes Spaced) - Amazon.com