VEVOR 1-Gang Steel Weatherproof New Work Switch/Outlet Electrical Box in the Electrical Boxes department at Lowes.com
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IPEX Kraloy 12 In. x 12 In. x 6 In. PVC Junction Box - Gillman Home Center
Scepter 12x12x6 PVC Junction Box – BME Bearings and Surplus
12 X 12 X 6 Inch PVC Junction Box Screw Cover with Out Hubs
12x12x6 PVC Junction Box at Main Electric Supply
VEVOR Electrical Enclosure Box 12 x 12 x 6 in. NEMA 4X IP65 Junction Box Carbon Steel Hinged with Rain Hood for Outdoor Indoor TUL30X30X15CM7WSHV0 - The Home Depot
CANTEX PVC Junction Box Installation Video - YouTube