Piston sticking? Bag torn open? We know it! Here is the solution: A bag adapter that fits neatly into the cylinder, does not produce any piston jams and empties the bag properly. Suitable for the following appliances in our range: AKP-050, AKP-050L, SDF-208EF, PCG-144 (with conversion kit), AV-418, AV-618, TM-400, SB-310HP, as well as many other appliances on the market.NEW: Now with metal reinforcement plate!