The synthetic cloth intercept micro filter is made with four-layers that resists rips and punctures. Features a cardboard filter cover that closes to contain dust when removing and changing your filter bag. To safeguard the Indoor Air Quality of your facilities and to optimize the performance of your vacuum cleaner, only use genuine ProTeam filters. These filters are closed collared and non-reusable, ensuring dust and particles stay inside the bag. Fit FreeFlex upright vacuums and come in a pack of 10.