The Cloud V Aqua is bubbler attachment consists of a high quality glass attachment and a Cloud V 510 Threaded Atomizer. This bubbler features a non-spill structure. You can conveniently fill the glass bubbler with water and turn upside-down. The water will not leak from the attachment. The Cloud V Aqua will allow you to vaporize even smoother, as the vapor filters through the water each time you inhale. How to use: -Detach the Bubbler from the atomizer. -Turn around the Bubbler -Fill it with water. -Turn it around and immediately draw to trap the -maximum amount of water. -Gently secure it back on the atomizer.