SHP-ZONE 3 Filters + 3 Side Brush 6 Armed for iRobot Roomba 500 Series 530 540 550 560 570 580 610 Compatible with: iRobot Roomba 500 Series (530 540 550 560 570 580 610) Vacuum Cleaning Robots Package Includes: 3 6-armed Side, 3 Filters