(Case of 4) Satco S9476 18WLED/RDL/5-6/30K/120V LED Downlight Retrofit 5"-6" 3000K 120V Dimmable Light Bulb, 18W Color Kelvin Temp 3000 Downlight retrofit - 5" - 6" Long life - all up to 40,000 hours Solid state LED Lighting Dimmable LED