Sunlite 05009-SU FC6T9/CW 20W Fluorescent T9 Circline Bulb, 4-Pin, Cool White, Pkg. Qty- 12

The fluorescent 20 watt 4,100k cool white t9 circline features a 4-pin base, provides a light output of 1,050 lumens at a color rendering index (cri) of 62 and can last an average of 10,000 hours.