Accessories compatible with iRobot Roomba 600 series: 605 610 616 620 625 630 631 632 639 650 651 660 670 671 680 681 691.(Side brush not compatible for 696 series) High quality- the vacuum cleaner parts are designed for a long life. The compatibility and life of the accessories are rigorously tested. Made of high-strength and environmentally friendly material. To maximize cleaning performance, clean the parts twice a week. And replace the accessories every 8 weeks. Each package includes a set of 10 pieces + 3 screws: 3 x filters; 3 x 3-armed side brush; 1 x bristle brush; 1 x flexible whisk brush; 2 x Cleaning Tools. Spare Parts for Roomba 600 Series Accessories compatible with iRobot Roomba 600 Series: 605 610 616 620 625 630 631 632 639 650 651 660 670 680 681 691. Each package includes 10pcs + 3 screws: 3 x Filters; 3 x 3-blade Side Brush; 1 x Bristle Brush; 1 x Flexible Rubber Brush Whisk; 2 x Cleaning Tools. TIP AND TIPS If you notice that some of the 3-armed side brushes are