Four Bros Lighting 6 Bulb / Lamp T8 LED Linear High Bay Warehouse Shop Light Fixture - (6) LED T8 Bulbs Included - Daylight - 14100 Lumens - Commercial Grade - DLC Premium & UL Listed This 6 lamp led high bay requires no maintenance. No ballast whatsoever means less headache. This fixture has been rewired and includes non-shunted sockets that work best with Four Bros Lighting premium LED Tubes. 18-Watt LED T8 Single Ended Bulbs included - 2350 Lumens per bulb. Replace costly T8 and T5 fluorescent high lighting fixtures with this LED Linear high bay light. Save 30% energy by switching to Four Bros Lighting premium LED tubes. Achieve maximum light reflection with an outstanding 95% aluminum sheet reflector. Reflector works as a focal point that distributes light evenly in all directions for maximum light output. 95% of light emitted from the LED bulbs back to the space. 5 YEAR WARRANTY - Buy with confidence, risk-free. Four Bros Lighting five-year warranty got you covered! Contact us for an easy and fast replacement. Each high bay Fixture is retrofitted and rewired when an order is placed. We install premium non-shunted tombstones and rewire them so that they accept a single-ended connection. Each T8 has a wide field angle, making them perfect for reflector equipped fixtures. They are DLC and UL listed. Each High Bay light is tested before being boxed and shipped. 19,000 Lumens (Brighter than Fluorescent T5HO) 5000K Daylight White Color Temp. 50,000+ Hours, 40% Less Energy than Fluorescent, Removable Lamps