Lensed Led Troffer, Insulated Ceilings Application, 3200 LM Brightness (Lumens), Led Bulb Type, Iron Phosphate Finish, 3-1/4 In;83 MM Height, Cold Rolled Steel Housing Material, 23-3/4 In;603 MM Length, 1 Ea Package Quantity, Iesna LM-79;LM-80;PS519080EN 4-21-17;Rohs Compliant, 0 to 10 V Voltage Rating, 28 W Wattage, 10 LB Weight