Apart from the conventional and much used T8 tubes and T5 tubes, lighting brand Sylvania also makes tubes with specific goals. The Sylvania Blacklight fluorescent tubes is fluorescent lighting with specific uses. These models are not common and are therefore used to ward off insects or even for the presentation of food. There are also for example Sylvania fluorescent tubes in different colors. This way Sylvania ensures that there is always a tube in their assortment that will fit your needs!