Can not compare with the Kärchenr you. As long as you only vacuums, or the nipple on a Joined circular saw, the bag i. O. In building campaign with smaller stones about 3 mm or wood splinters, it came to passing shots repeatedly. In addition, the outdoor humidity is very much taken up, thus the bags tear partially during removal. However, this is dependent on the filled amount. The anthers of cards are much stronger and have no problems.
