The linear fluorescent tubes are available in a wide range of different sizes so that they may fit all of the different needs and ballasts that are out there. Some of the common sizes include:
When one looks at the size needed for the lamps, it is important to remember that the size includes not only the length. You must also consider the diameter of the tube so that you can be sure it will fit into the ballast. It is also important to choose lamp that has the right type of pin connections.