Our fluorescent bulbs provide cool natural light. These bulbs are rated to last so you don t need to worry about frequent burn outs. Use these fluorescent bulbs in basements garages appliances and commercial applications like warehouses and industrial buildings. These bulbs use 22 watts (1400 lumens). The bulb is rated to last 12000 hours. The T9 shape tube light bulb is non-dimmable with 3000 kelvin color temperature.