Don't be fooled by other generic paper vacuum filter bags. Maximize your cleaning efficiency by using only genuine ProTeam filters. These filters These filters come in a pack of 10. To safeguard the Indoor Air Quality of your facilities and to optimize the performance of your vacuum cleaner, change filters once they are half full. These filters are open collared, making them easy to empty and reuse several times. To be used with Super HalfVac hip 6 quart vacuums.