Fluorescent Ceiling Troffers: Housing Mounting Type - Grid Troffer; Fixture Width - 2 ft; Fixture Length - 2 ft; Fixture Depth - 3.25 in.; Lamp Quantity - 2; Lamp Type - 17T8; Lamp Included - No; Ballast Voltage - 120-277; Ballast Type - Electronic; Lens - Acrylic #12; Door Type - Hinged, Latched; Manufacturer Brand - Metalux; Manufacturer Model - GC8