Sylvania 2 Ft. 20 W Cool White Linear T12 Fluorescent Tube Light Bulb (1-Bulb)

2 ft. 20 W Cool White Linear T12 Fluorescent Tube Light Bulb (1-Bulb) Fluorescent Lamps For Indoor Growing Provide Essential Energy For Germination, Propagation And Growth, Photosynthesis, Chlorophyll Synthesis And Enhancing Vegetation Gro-Lux Aquarium For Plants Requiring Indirect Sunlight Gro-Lux Aquarium Lamps Provide The Red And Blue Wavelengths Of Energy Needed For Photosynthesis, And Chlorophyll Synthesis In Plants And In General, Provide The Light Needed For Plants To Flourish And Look Their Best Uses Less Wattage Than Incandescent Lamps To Produce The Light Needed Fort This Lamp'S Intended Use Average Rated Life Is 9,000 Hours MFG# 22029