This F32T8/TL835/TF linear fluorescent tube operates at 32 watts. It has a color temperature of 3500K, a CRI of 82, and an average life of 20,000 hours. It features a shatter resistant P.E.T. coating. The PET coating around the tube has U.V. protection against yellowing, fading, and clouding. It is extremely strong, puncture resistant, and lightweight. These fluorescent lamps are perfect for any residential or commercial application.