Philips Lighting 369892 T12 Slimline Fluorescent Lamp 56 Watt Single-Pin FA8 Base 4450 Lumens 62 CRI 4100K 72 Inch Length Cool White Alto Color/Finish: Cool White Color Temperature: 4,100K Average Lifetime: 12000 hours Lumens (light output): 4450 CRI: 62