Sigma Engineered Solutions Weatherproof Receptacle Kit 1-Gang Gray Metal Weatherproof New Work Standard Switch/Outlet Exterior Electrical Box in the Electrical Boxes department at Lowes.com
2 Pack WEBANG Pop Up Floor Outlet Covers Box 20 Amp Stainless Steel GFCI Tamper | eBay
APPLETON ELECTRIC GFCI Cover and Box: 20 A Amps, 3 Poles, 2 Wires, Malleable Iron, 120V AC, 5-20R - 11Y380|EFSC150-GFI - Grainger
1-Gang Weatherproof Kit includes Box, Cover and GFCI Receptacle, Bronze | 5874-10 | Bell
Hot Tub Spa GFCI Load Center / Disconnect | SpaDepot.com