Lithonia Lighting Volumetric Troffer, Rectangular Traditional, Series: 2VTL4, 120 to 277 VAC, 60000 hr Average Life, White Light, 4000 K Color Temperature, 80 CRI, EldoLED Dims to 1% Driver Ballast, Acrylic Prismatic Glass Lens, 4800 Lumens, Ceiling Mounting, Steel Housing Material, 48 in L x 24 in W x 4-3/8 in H Dimensions