CO₂-ZylinderCO2 cylinders that match with your refilling station. Order them from us and we will deliver them to your home quickly and reliably (4 cylinders order). Purchase cylinders: The purchase cylinders are more expensive than the replacement cylinders because they include a deposit fee. Please keep the shipping box such that you can use it to return the empty purchase cylinders for new replacement cylinders. We will send you a return label together with the