Carlon 2-Gang 32 cu. in. Blue PVC New Work Electrical Switch and Outlet Box B232ACP - The Home Depot
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Carlon 1-Gang 22 cu. in. New Work PVC Electrical Outlet Box B122A-UPC - The Home Depot
Amazon.com: Twidec/Waterproof Dustproof IP67 Junction Box ABS Plastic Electrical Project Box DIY Case Enclosure Gray 8"x 6"x 4"(200 x 150 x 100 mm) : Tools & Home Improvement
Newhouse Hardware 2-Gang PVC Old Work Electrical Outlet Box (3-Pack) | 25 cu. in. Plastic Junction Box for Switches, GFCI, or Duplex Receptacle Outlet | Old Work Electrical Box for Home Improvement - Amazon.com