Storz & Bickel Easy Valve XL Replacement Set Overview The Volcano Easy Valve Replacement XL Set can be used with the Easy Valve Filling Chamber for the Volcano vaporizer. The XL set comes with 6 balloons that pack a punch. Each balloon is approximately 3 feet long for more robust hits. Please note, it does NOT include the filling chamber. Specs: Approximately 3 feet long Maintenance-free Easy Valve filling chamber sold separately What's in the Box: 6x XL Easy Valve balloons 6x Mouthpieces