Sunlite 30324-SU F21T5/865 21W Fluorescent T5 Bulb, Mini Bi-Pin, Daylight

The fluorescent 21 watt 6,500k daylight t5 high performance straight tube features a mini bi-pin base, provides a light output of 1,900 lumens at a color rendering index (cri) of 82 and can last an average of 20,000 hours.