Sunlite fluorescent lamps are very popular for use in office and other lighting applications. The characteristics of fluorescent lamps vary type of lamp. Fluorescents lamps are used so widely due to their low operating costs and because they are efficient， last for years and are high quality and rapid starting. Fluorescent lamps can cost significantly less to operate over their lifetime than incandescent lamps. Life ratings for fluorescent lamps range from 6，000-hours to 36，000-hours based on the industry standard of 3 burning-hours per start. Also， rapid start and instant start lamps typically start within 1-second of being turned on. The High Performance and High Output versions also give you and even better efficacy and energy efficiency. Look for a higher CRI for improved light quality. Sunlite F17T8/SP841 4100K Color Temperature T8 Hight Performance Straight Tube Fluorescent 17 Watt lamp features a Medium Bi Pin base， provides a light output of 14000 Lumens at a Color Rendering Index (CRI) of 83 and can last an average of 20000-hours.

17-Watt T8 fluorescent straight tube bulbs

4100K cool white color temperature

20，000-hour average lifetime

Medium Bi-pin G13 base

Item dimensions 1.00 in. W x 1.00 in. H x 23.10 in. D

ROHS compliant and eco friendly design