Fluorescent Ceiling Troffers: Housing Mounting Type - Surface Mounting; Fixture Width - 1.91 ft; Fixture Length - 4 ft; Fixture Depth - 2.75 in.; Lamp Quantity - 6; Lamp Type - 54T5HO; Ballast Voltage - 120-277; Ballast Type - Electronic; Additional Information - No Shielding; Manufacturer Brand - Lightolier
Additional Info: No Shielding