4 Inch Round 1/2 Inch Deep Old Work Pan Box With 2 1/2 Inch Conduit Knockouts - Amazon.com
Sigma Engineered Solutions, Gray Sigma Electric 14250 1/2-Inch 3 Hole 1-Gang Box - Weatherproof Electric Junction Box - Amazon.com
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YXX-TECH Two Gang Electrical Box, Suitable 1/2-Inch or 3/4-Inch Electrical Conduit Weatherproof Outdoor Switch Outlet Box, UL Listed,Plastic Junction Box Outlet - Amazon.com