These vacuum cleaner paper bags are specially designed for the ZANUSSI vacuum cleaners ZAN 3910, 3911, 3913, 3920, 3930, 3940. ZANUSSI high quality bags have been created to fit your vacuum cleaner and maintain its best performance. The high grade material used for these bags provides high airflow and strong suction power as well as a high filtration level and maximum dust retention. For optimum performance of your vacuum cleaner, we recommend you to change paper bags regularly and replace all filters at least twice a year or when they become visibly soiled. This pack includes 5 vacuum cleaner paper bags. ZANUSSI paper bags reference: ZA 120.