Elite 4 foot 216W T5 Fluorescent High Bay Industrial Luminare operates four energy efficient, 54 watt T5 lamps. 216W fixture produces 20,000 Lumens @ 92.59 LPW. Universal 120V/277V High Ballast Factor Ballasts are standard with this fixture. Constructed of heavy-duty, 20-gauge steel, features a purpose-designed reflector for increased and focused light in work areas. 95% Reflective Specular Enhanced Aluminum reflector. UL/CUL listed for damp locations. Designed for Suspended, Surface or Pendant mounting and ideal for high bay warehouses, manufacturing facilities, and gymnasiums.