Carlon 1-Gang 17 cu. in. PVC Shallow Old Work Electrical Switch and Outlet Box B117RSWR - The Home Depot
Garvin 52181-OW 4 Square, 3-1/2 Inch Extra Deep Old Work Jun
1-Gang Adjustable New Work Outlet Box, Volume 21 Cubic Inches, Length 3.65 Inches, Width 2.25 Inches, Depth 3.32 Inches, Color Blue, Material PVC, Mounting Means up to 1-3/4 Inch Adjustable Bracket - RGV Electrical Supply
Newhouse Hardware 1-Gang PVC Old Work Electrical Outlet Box (1-Pack) | 14 cu. in. Plastic Junction Box for Switches, GFCI, or Duplex Receptacle Outlet | Electrical Box for Home Improvement - Amazon.com
CARLON 1-Gang Blue Plastic New Work Standard Switch/Outlet Wall Electrical Box at Lowes.com
Carlon 1-Gang 17 cu. in. PVC Shallow Old Work Electrical Switch and Outlet Box B117RSWR - The Home Depot