Nineleaf ABS Plastic Dustproof IP66 Waterproof Junction Box Universal Electrical Project Enclosure Grey 3 1/4 inch x 2 3/4 inch x 2 1/4 inch (86x74x62mm): Amazon.com: Tools & Home Improvement
Kraloy Gray PVC Weatherproof New Work/Old Work Standard Enclosure Exterior Electrical Box in the Electrical Boxes department at Lowes.com
Sigma Engineered Solutions 2-Gang Gray Metal Weatherproof New Work Standard Square Exterior Electrical Box in the Electrical Boxes department at Lowes.com