PERMA-COTE PMT250

2 mil Green Urethane Ferrous Metal Interior, 40 mil Gray PVC Ferrous Metal Exterior Material; 2-1/2 Inch Hub Size; Screw Installation; T Configuration; 3 Hub(S); ETL, UL 514A/D, UL (Canada and Us), CSA C22.2 Approval; PVC Coated Cover Type