Storz & Bickel Easy Valve Filling Chamber ReducerEasy Valve Filling Chamber Reducer STORZ & BICKEL CHAMBER REDUCER The Easy Valve Filling Chamber Reducer is designed to allow for smaller amounts to be loaded into the Volcano vaporizer (Easy Valve only). Please note that this product is not compatible with the Volcano Hybrid. COMPATIBILITY The filling chamber Reducer is specifically designed for use with the Easy Valve system. It is important to note that the Crafty and Mighty vaporizers do not