The bottom part of the stand is combined with the custom upper part to create a complete promotional stand. This unique base is made from tubing and a carbon-fiber disc, which lends the presentation of the exhaust system additional grace and an air of quality. The bottom part of the system can be combined with different upper parts, expanding your options for using different promotional stands. All you need to do to put it together is add the upper part and an exhaust system. 115 cm diameter.