8 x Swirl Vacuum Cleaner Bags S73 AirSpace technologie guarantees best absorbentness until the filter is completely full because of the two chambers into the Filter with the Hepa-filter-technic.Content: 2 original packs of Swirl Airspace Micropor S73 (containst: 8x MicroPor vacuum cleaner bags and 2x filter) The models where the vacuum cleaner bag fits you find here: www.swirl.de/staubfilterbeutelsuche_de.html