If you are unsure about what bulb you have, you can always give us a call. We've probably seen almost every variation of this type of light and can help walk you through getting the right one. There are a lot of options, and it can be a little bit confusing, but we've helped thousands of people get the right light for their lighting fixture. If you're looking for a larger quantity of these, you can always call us for a particular quote on your replacement needs. We have all the variations in both halogen and LED and can help you if you're a homeowner looking to replace a few or a larger commercial building that needs to replace many of these. We want to help you get the best quality lighting and make it as easy as possible for you.