RAZRLites LED Tubes by Celeritas Lighting Group are the cornerstone of the popular LEDPro retrofit kit line. The ST8LED, 18 Watt-4000 Kelvin, 50000 hour bulb, produces 2000 Lumens, the equivalent of up to a 32 Watt fluorescent tube. Celeritas Lighting Group, known for their superior knowledge of the LED tube market, have designed this tube with longevity, light output, and efficiency in mind. This tube boasts top quality internal circuitry, with extra safeguards against heat and electrical fault, and superior heat management through LED quantity to drive current ratios. Our 18 watt tube is cULus classified and DLC listed to take full advantage of rebate opportunities. For more information, download the specification sheet below.