Storz & Bickel Solid Valve Filling Chamber The Solid Valve Filling Chamber for Storz & Bickel Volcano is a replacement filling chamber for use with the Solid Valve system for the Volcano Vaporizer. What’s Included? The filling chamber comes with the Solid Valve metal insert, the Solid Valve plastic housing, and replacement screens. Please Note this part is for the Volcano Vaporizer with the Solid Valve system. This filling chamber will not work with your device if it has the Easy Valve system.