Satco S6504 6500K 32-Watt 4 Pin T9 Circline Lamp, Daylight Manufacturer: SATCO PRODUCTS Manufacturer Part Number: S6504 Saco Compact Fluorescent Lamp T9, Circling, 6500K, 76 Cri, 4-Pin Base, 12 In. Diameter, 32 Watts, 12 Per Case - 2493612 15000 Average rated hours 32-Watt 4 pin circline lamp 6500K daylight