Bulbrite FCL-30LEX 30-Watt Circline Fluorescent T9 Bulb, 3000-Kelvin, G10q Base, 9-Inch Diameter, Warm White (2 Pack) 1800 lumens Long Life (10,000 hours) 9-Inch Diameter Energy Wiser Circline bulbs available in 6-Inch, 8-Inch, 9-Inch, 12-Inch, and 16-Inch Diameters TCLP and ROHS Compliant