I clean Brush Kit Replacement iRobot Roomba 690 650 620 630 652 655 660 760 770 780 Vacuum Cleaner, Accessories Replace Parts Bristle Brush Flexible Beater Brush 2pcs Compatible with: Replacement brush kits for iRobot Roomba 600&700 Series( ( 620 630 645 650 655 660 690 760 770 780 790) ) Package & Warranty: 2pcs x Flexible Beater Brushes ,2pcs x Bristle Brush for irobot roomba 600&700 series; With I-clean the best service, promise that 30 days full refund if any quality problem. Advantage: These replacement roomba bursh can capture dust particles as fine as 0.3 microns, limiting their recirculation into the air. Replace your brush kit every 2-3 months for peak cleaning performance Suggestion: Replace your roomba replacement brush kit every 2-3 months for peak cleaning performance Clean roomba replacement brushes: Easy install and keeping your home clean with iRobot roomba vacuum cleaners. (Please reference the below description about steps) Fit for irobot Roomba 620 630 645 650 655 660 680 690 760 770 780 790 series vacuums It&#039;s best to replace your spare parts every 2 to 3 months to keep your home robot operating at peak performance. 1. Remove brush guard by removing both tabs. 2. Remove and clean the brushes. 3. Remove and clean hair and dirt from the yellow brush bearings. 4. Remove and clean the brush caps. 5. Use the included cleaning tool to easily remove hair from the bristle brush by pulling it over the brush These roomba vacuum cleaner parts can maintain Roomba&#039;s cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe. Made of high-strength and high quality protection material. Easy to install and durable, keeping your home clean with iRobot roomba vacuum cleaners 2pcs x Flexible Beater Brushes 2pcsx Bristle Brush for irobot roomba 600&amp;700 series 1pc x Cleaning brush(Note: the cleaning brush can clean ther vacuum cleaner&#039;s corner)