CIMC LLC 3X Aero Vac Filters +1*Bristle Brush + Beater Brush kit for iRobot Roomba 600 Series 620 630 650 660 vacuum cleaner accessories iRobot Roomba 600 Series Vacuum Cleaner Accessory Kit Replacement Brush Filter Mini Kit 3 Armed Fully Compatible Filters maintain optimal cleaning performance. Filters reduce infiltration of dust, pollen and other allergens.