If you have ever wanted to see how your cyclone feed system operates during use, than this upgrade is for you. This kit comes with a smoke cyclone feed housing, clear bottom plate, and four bottom plate screws. Not only is this a cool and good looking modification, but it also has practical use, with this kit you will instantly be able to diagnose a problem in your cyclone feed system, and tell when it needs to be cleaned. This version is the new and improved polycarbonate version.