Single gang electrical box extension adapter, 1-1/2″ deep with 6 outlets, 1/2″ NPT. Made of corrosion-resistant aluminum, finished with a protective color coating. For wet locations. Individually shrink wrapped. Gray. UL (Underwriter’s Laboratories) listed. No. 5900-0: Material: Aluminum, Depth: 1-1/2″, Size: 1/2″ NPT, Color: Gray, Number of Gangs: 1, Number of Outlets: 6, UL Listed: Yes, Pkg Qty: 1, Package Type: Shrink Wrap