Philips Lighting 366518 T12 High Output Fluorescent Lamp 85 Watt R17d Recessed Double Contact Base 6350 Lumens 62 CRI 4100K 72 Inch Length Cool White Alto Price For: Pack of 15 Lamp Technology: Fluorescent Lamps Style: Tubular Lamp Type: T12 Wattage Equivalent Range: 75-99 Actual Wattage: 85.0 Base Style: Recessed Double Contact Color Temperature Range: Cool (3700-4499) Dimmability: NonDimmable Shatter Resistance: NonShatter Resistant Overall Length (Inch): 72 Base Code: Recessed Double Contact Wattage Equivalent: 85.0 Average Life (Hours): 12000 Color Temperature: 4100 Color Rendering Index: 62 Lumens: 6350 Diameter (Inch): 1-1/2 Philips Part Number: F72T12/CW/HO ALTO 15PK Sylvania Part Number: F72T12/CW/HO