When vaping conduction vaporizers it's always very important to fully pack the chamber to get the best effect. These Glass Spacers are specially designed for the DaVinci IQ Vaporizer chamber. Covering about 50% of the chamber space. IQ Glass Spacers make it super simple to vape half packed loads for personal use. The vapor flavor is more pure since you don't feel any burned taste. Plus it saves you herbs not having to fully pack all the time! We highly recommend this product for all IQ vape owners.