216 WATT F54W T5 HO (HIGH OUTPUT) HIGH BAY FIXTURE PROVIDES BETTER LIGHTING PERFORMANCE WITH LESS ENERGY CONSUMPTION AND LESS HEAT. REPLACE TRADITIONAL HID HIGH BAY FIXTURE. 95% ENHANCED RELFECTIVE SURFACE MIRO-4 ALUMINUM REFLECTOR STANDARD. IDEAL APPLICATION FOR WAREHOUSES, SUPERMARKETS, GYMS, AND STAGING FACILITIES.