Low Bay Fixture, Lamp Quantity 4, Lamp Type F32T8, Lamp Watts 32W, Fixture Wattage 128W, Voltage 120 to 277VAC, Ballast Type Electronic, Ambient Temp. Range 0 Degrees to 104 Degrees F, Length 48-37/64'', Width 8-21/32 In., Height 2-7/8 In., Lamp Not Included, Suggested Lamp Item No. 21GR01, Non-Apertured, Housing Finish White Powder Paint, Mounting Suspended, Ballast Quantity 1, Metal Gauge 24, Standards cULus