TayMac MM420C Single Gang Non-Metallic Weatherproof In-Use Cover, Clear High-impact polycarbonate construction provides maximum durability; Horizontal/Vertical 16-in-1 Patented Quick-Fit keyhole mounting system allows installation in under a minute Includes attached gasket and mounting hardware Pre-configured for GFCI with patented Knockout technology for alternate devices Lockable tab, 2-3/4 in- Deep