Lithonia Lighting I-BEAM Series IBZ Fluorescent High-Bay, Electronic Ballast, 3 IN Height, 19 14 IN Width, Steel, PendantSuspended Mount, White, Lamp Type: Fluorescent, 6 Lamps, Medium Bi Pin Socket, StandardsApprovals: cUL US, Application: For Manufacturing, Warehousing, Institutional and Retail Facilities