This Water Pipe Adapter is manufactured by Delta 3D Studios and is designed to fit the PAX 3 Vaporizer without a mouthpiece. It can also fit over a flared mouthpiece. This adapter is compatible with both 14mm and 18mm female water pipes / bubblers. Using a water pipe adapter and hooking your vaporizer to a bong is the most instantaneous way for you to significantly enhance your vaping experience. You may clean this product with any conventional glass cleaning method, such as with isopropyl alcohol, PBW, and hot water. This water pipe adapter also works with the PAX 2 Vaporizer.