Lithonia Lighting, IBE 12LM MVOLT 50K, High Bay Fixture, Economical Linear, Series: IBE, 120 to 277 V AC, 83/82 W Fixture, 82/83 W Lamp, 2 Lamps, >100000 hr Average Life, 5000 K Color Temperature, 80 CRI, Acrylic Semi-Diffuser Lens, 12000 Lumens, Pendant/Suspended Mounting, Aluminum Housing Material, Gloss White Housing Finish, 22 in L x 15-1/4 in W x 4-3/8 in H Dimensions