COLUMBIA LIGHTING, CLB2-50MM-W-EDU, Industrial Lighting, Linear High Bay, Series: CLB4, 120 to 277 V, 98.9 W Fixture, LED Lamp, 98.9 W Lamp, 139 Lumens/W Light Output, 54000 years Average Life, 5000 K Color Temperature, 80 CRI, 0 to 10 V Dimmable Ballast, Polycarbonate Lens, 14000 Lumens, IPX4 Enclosure, Pendant Mounting, Aluminum Housing Material, 22.7 in H x 10 in W x 2.3 in D Dimensions,