fiberglassBOX 1099-N Electrical Box 1 -Gang 2 -Outlet 4 -Knockout Fiberglass Reinforced Polyester BMC

Thermoset fiberglass with angled mid-nails. Nails are installed as fastening devices. 2 hrs wall and ceiling fire rating. Lightweight, non-corrosive, non-conductive, no ground required. Will not melt or distort in high heat. Shatter-resistant in cold temperatures. UL listed.