Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart EASY VALVE Filling Chamber Reducer - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Reducer to suit the Easy Valve System for the Storz & Bickel Volcano Contains: 1 Piece Filling Chamber Reducer 2 Pieces Normal Screen Small 1 Dosing Capsule