fiberglassBOX 9363-EWK Electrical Box, 1 -Gang, Fiberglass Reinforced Polyester BMC, Beige/Tan, Bracket Mounting

Thermoset fiberglass with ears, wing brackets, speed clamps. 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. 2-7/8 in x 2-3/8 x 3-1/4. UL listed.