Storz & Bickel Volcano Vaporizer Solid Valve Filling Chamber O Ring The Solid Valve forms a connection between the Volcano and the patented Valve Balloon that is used to harness vapor that is produced by the unit. As you might imagine, the effectiveness of this setup demands a good seal so that vapor does not escape and is contained in the balloon. The Volcano Vaporizer Solid Valve O Ring creates a tight seal between the filling chamber and the valve. It is an OEM part that is manufactured in Germany to the same specifications and quality controls as original parts. The Volcano is a desktop vaporizer for vaping dry herbs, essential oils, and concentrates, and it requires use of either the Solid Valve or the Easy Valve as a part of its function. The Solid Valve was the first method developed by the brand and it is still preferred by many Volcano owners today. The Easy Valve was created as a more user-friendly, disposable method. Unlike the Solid Valve which requires occasional cleaning and maintenance, the Easy Valve is simply discarded when it has reached its maximum usage and is then replaced. Other Solid Valve Set Replacement Parts include the Volcano Vaporizer Solid Valve O Ring Set. This set includes the aforementioned Volcano Vaporizer Solid Valve Filling Chamber O Ring as well as Valve Rings, Balloon Fixation Clips, and Sliprings. These are all of the various rings used with the Solid Valve in one convenient and economical package. There is also the Volcano Vaporizer Solid Valve Mouthpiece. On any vaporizer, the mouthpiece is important to great flavor and a bold draw. This one is made of the highest quality, heat resistant materials. Volcano Vaporizer Replacement Parts also include the Volcano Vaporizer Solid Valve Housing. This part is made of durable plastics and contains and protects the integral inner components of the Solid Valve. Of course, for those just starting with the Volcano, the Volcano Vaporizer Solid Valve Set has all of the accessories o...