This Sunlite 22 watt fluorescent light bulb is equipped with a G10Q base.It has a circline shape and a rated life of 10,000 hours.The overall length of the bulb is 8.00 inches, and the color rendering index is 62.This bulb gives off a daylight color because of it has a 6500K color temperature.Highlighting a dedication to quality and integrity, the Sunlite product line includes compact fluorescent, linear fluorescent, incandescent, HID, metal halide, halogen, decorative, miniature, specialty, stage-studio lamps, and LED lamps. The Sunlite line also includes a full array of indoor and outdoor household fixtures, commercial fixtures, and electrical products including extension cords, socket adapters, wall plates, receptacles and switches, dimmers and timers, surge protectors, and much more.Features:- Base: 4pin (G10Q), Circline- Bulb Type: Fluorescent Bulbs- Color: Daylight, Color Temperature (K): 6500K- Luminous Flux (LM): 1050, CRI: 60- Rated Life: 10,000 hrs- Wattage (W): 22 watts- Maximum Overall Length (in): 8.00Abbreviation NameFC8T9/DLBase4pin (G10Q)Bulb TypeFluorescent BulbsColorDaylightColor Rendering Index (CRI)60Color Temperature (K)6500KDiameter (in)8.00Luminous Flux (LM)1050Maximum Overall Length (in)8.00Rated Life (Hours)10000ShapeCirclineWattage (W)22WCA Prop 65YesCA Prop 65 MaterialMercury