T5 fluorescent lamps are available in 9 different wattages ranging from 14w to 80w. The thickness of the T5 lamo is smaller than that of the T12 and T8 fluorecent tubes, the diameter a T5 is equal to 5 times an eight of an inch. Here at Lampshoponline we stock T5 lamps in numerous brands as well as numerous colours. With all of our tubes sent out in boxes covered in bubble wrap we can ensure your order arrives in perfect condition!