Specifications: ・For paper pack dust collection type (cannot be used for capsule dust collection type) ・Antibacterial paper pack ・Part number: A-48511 ・Total of 17 sheets One pack has been opened and 3 sheets have been used. There is one pack of 10 new sheets and a total of 7 unused sheets, for a total of 17 sheets. The outer plastic bag has some scratches as it has been stored for a long time.