The LED Troffer Retrofit Kits are designed to replace traditional fluorescent fixtures. The retrofit kit is designed to deliver unparalleled performance and efficiency meeting stringent energy requirements. The full door assembly quickly attaches to the existing housing with all work conducted from below the ceiling saving time and money on installation. Engineered for the renovation market and well suited for schools, offices, hospitals, auditoriums and many more applications.&nbsp;<br><br style="font-family: inherit;"><ul><li><span style="font-family: inherit;">Available family size 1x4, 2x2, 2x4</span></li><li>Available in 3500K and 4000K color temperatures with minimum 80 CRI</li><li>Lumen packages range from 3200 up to 4800</li><li>Standard 0-10V driver dimming down to 10%</li><li>Optional factory installed emergency battery</li><li>Limited 5-year warranty</li></ul>