GE LED Linear 32-Watt EQ 48-in Cool White Medium Bi-pin (t8) Linear Type A LED Tube Light Bulb (20-Pack)Daylight T8 LED tubes replace 48 in. T8 1 In. diameterfluorescent bulbs using the existing fixture and electronic ballast. 32 Watt replacement using only 15 Watts (1800 lumens) Rated to last 16 years based on 6 hours per day use Saves 67 dollars on energy costs per bulb vs. 32 Watt fluorescent over the bulb's life Non dimmable Cool, white light with 4000 Kelvin color temperature 20 LED tubes per package T8 LED tube (1 inch diameter) with medium bi pin