The TGS TRK™ WS Troffer Retrofit Kit is the ideal LED retrofit option for existing 2’x2’ and 2’x4’ fluorescent troffers, with a clean, contemporary look. Designed for rapid, tool-less installation and long life, the TRK™ WS provides maintenance-free, uniform lighting with standard 0-10V dimming capability. The glare-free PC lens is easily removable for cleaning, and the complete kit is guaranteed for 5 years, with an L70 over 100,000 hours. With multiple wattages and lumen packages performing at 140 LpW, TRK WS is among the most efficient retrofit option available. Available color temperatures range from 3500K to 5000K. Field adjustable lumen output.