Different Tubes require different starters, when using the filter you can select the type of Tubes you have. The main difference between all the starters is, how much Watt they support. So make sure you know the total wattage, Input Voltage and Application before selecting the Starter. At Any-Lamp we only sell Starters from well known brands as: Philips and Osram. Buy your Osram Starters at Any-Lamp, we guarantee you cheap Osram Starters and fast delivery!