Unfortunately, the first version I had, still too weak a connection of screen to frame had itself replaced after a few months. So even I could take the lifetime warranty and excellent customer service Kaffeologie to complete. Within a short time the here offered improved version was in the mailbox since the problems doing their service.
Who's command of English, can make kaffeologie.com familiar with all the features, questions and answers to filter S before buying the way. So is approximately explained in video instructions on how the filter fits into the Aero Press, if it should be a bit too high for the closure at the beginning and there is next to a cleaning instructions also brewing suggestions.
The fact that the S filter makes the price of about 1400 paper filters, I am aware, but if he keeps as expected more than four years, the costs are covered. Frankly, I also did not want it to have to buy more paper filters.