ANBOO For iRobot Roomba 700 Series Hepa Filter Vacuum Cleaner Accessory Kit Replacement for 760 770 780 -Includes 12 Filters Fit Model: For iRobot Roomba 700 Series 750 760 761 770 775 765 772 776 780 782 785 786 790 Material: iRobot roomba parts made of high quality PC, fully use of efficient filter material. filter replenishment kit is compatible with Irobot Roomba 700 Series 760 770 780 790 Robots Vacuum Cleaners Replace filters every 2-3 months to keep Roomba running at peak performance