I am selling this because I no longer need it after replacing my vacuum cleaner. This pack filter can be used with Hitachi household cleaners (CV models) released after 1989. This is a pack of 4 clean-back filters with a 3-layer structure and antibacterial and deodorizing functions. - Brand: HITACHI - Model: GP-75F - Type: Clean-back filter - Quantity: 4 filters - Features: Antibacterial, deodorizing, 3-layer structure Thank you for looking. #Hitachi #VacuumCleanerFilter #PackFilter #HITACHI #PaperPack