Condition: New Product details WOLL durgol swiss espresso, 2 x 4.2 fl. oz. Swiss Espresso Special Decalcifier is specifically formulated to protect and care for all brands of espresso machines: fully or semi-automatic machines, manual machines, machines working with coffee pods or capsules, even coffee makers, electric water heaters, and tea kettles. Works 10 times faster than citric acid-based decalcifiers or vinegar with no unpleasant odors. Complete decalcification ensures a continuously optimal espresso quality. Due to its efficient corrosion protection, Swiss Espresso does not damage components. It will not leave any residues which could otherwise clog the machine. Shipping: It is sent by USPS First Class, usually the day after your purchase, sometimes the same day.