Amyehouse Replacement Parts Bristle Brush & Flexible Beater Brush & Yellow Filter & Armed-3 Side Brush for iRobot Roomba 500 Series 510 530 Vacuum Cleaner The replacement parts kit is compatible with iRobot Roomba 500 Series 510 530 Vacuum Cleaner 2 x Bristle Brush 2 x Flexible Beater Brush 6 x Yellow Filter 3 x Armed-3 Side Brush