Fluorescent Light Fixture, Lamp Type F60T12HO, Number of Lamps 2, Lamp/Ballast Voltage 120 to 277 VAC at 50/60 Hz, Ballast Type Auto-Sensing, Solid State, Lens Type Impact-Resistant Polycarbonate, Housing Material Corrosion-Resistant Fiberglass Reinforced Polyester, Length 55 Inch, Width 8.6 Inch, Height 5.7 Inch, Nominal Length 4 Ft, Hub Size 3/4 inch, Approval UL 1598/844, CUL, CSA C22.2, Application Oil Refinery, Petrochemical Facility, Pulp and Paper Mill, Food Processing Plant, Warehouse, Underground Tunnel, General Manufacturing Facility