The Sebo Felix 1 Premium is many vacuum enthusiasts dream. Here are the results of our tests of this super high end upright vacuum cleaner. it has big time power, we measured the suction at 69” of water and its airflow at 70 cfm at the cleaner head and an extremely high 99 cfm at the wand. For context we measured Dysons most powerful vacuum the Ball Animal 2 at 74 cfm and the Miele U1 at 67 cfm Sebo Felix 1 on Ebay: https://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_id=114&ipn=icep&toolid=2