Raogoodcx Side Brush & Hepa Filters & Bristle Brush & Flexible Beater Brush Replacement For iRobot Roomba 500 600 Series 536 550 551 595 585 620 630 650 660 680 Robotic Vacuum Parts Everything you need to perform regular maintenance on your roomba 500 600 series robot Regular replacement of the dual hepa filter every 2-3 months will maintain roomba's cleaning performance while reducing infiltration of dust, pollen and other allergens The filters are easy to see and access, so you can snap them on and off with minimal effort Kit Includes  they are 5 Pcs Filter, 2pcs Side Brush, and 2 Pcs Bristle Brush and Flexible Beater Brush, Cleaning Tool Accessory Kit for Irobot Roomba 536 550 551 595 585 620 630 650 660 680 Vacuum Cleaner Kit.