Use these 54 Watt T5 3000 Kelvin high output fluorescent bulbs for your Tek-Light, Sun Blaze, Inner Sun, Spectra Max & New Wave grow light fixtures. These 3000K (warm white spectrum) high output lamps offer 2000 lumens per lamp. These fluorescent bulbs have a very low heat factor which allows the fixture to be hung very close the plant canopy, raising light levels.