F6T5/CW Mini 9 inch Fluorescent Bulb Bi-Pin Cool White (4pack) Color: Cool White, Wattage: 6 watt, Voltage: 120 volt, Base Type: Bi-Pin T5, Max. Glass Diameter: 5/8 in (16mm), Length: 9 inches (228.6 mm) (From pin to pin), Color Temperature: 4100k, Lumens: 230.0 lm, CRI: 62, Life Hours: 7,500 hours, RoHs: Compliant, UL Listed: Yes.