Philips Lighting 218198 T12 Very High Output Fluorescent Lamp 110 Watt R17D Recessed Double Contact Base 7050 Lumens 62 CRI 4100K 48 Inch Length 4100K Color/Finish: Cool White Color Temperature: 4,100K Average Lifetime: 12000 hours Lumens (light output): 7050 CRI: 62