Philips 2' x 2' - 17/22/25 watt - 120/277 volt - 3,500K/4,000K/5,000K - CCT Selectable - Retrofit Kit - EvoKit CLKES - Dimmable | Philips LED Troffer Fixture (4 Pack) (EvoKit CLKES 2x2 UNV 0-10 P4 269753)