The fluorescent lights available today come in many different configurations and sizes, which can help to make them quite a bit more useful in a host of different situations. The linear tubes are the tubes that you commonly see. They are straight, and they are generally a few feet long. They are in offices, overhead lights in the garage, and more. Of course, they are not the only options that you have available today. You will also be able to choose circular fluorescent tubes. These circular tubes are going to need to have special housing, but you will find that they are actually quite beneficial because they are able to fit into areas that the linear lights are unable to do.