The first system had a long crack in the plastic housing. Trouble, exchange policy. In the second we could build despite several attempts and various seals plus additional silicone sealing tape no pressure on the barrel. From the standard party barrels (Paulaner, Bitburger) it hissed above. The images of the operating instructions are hardly visible. Although it is a plant without CO2 cartridges, will be discussed again on CO2 cartridges. On the side of a trade was probably closed subsequently, where probably the CO2 cartridges came in earlier models. Also in delivery are parts that are no mention in the humble manual. The German manufacturer has been no shortage of questions about the parts, service and problems no information and simply refers to the dealer (the dealer you complain, send the device back if it does not work). Very weak! Dealer "Electric Quick Shipping" flawless withdrawal, replacement or refund.