Fit Model: Compatible with iRobot Roomba 600 Series 600 610 614 620 625 630 635 640 645 650 655 660 665 670 671 680 690 691 Vacuum Cleaner. Easy to install and durable to use. We are a professional manufacturer of vacuum cleaner accessories in production and distribution. The vacuum cleaner parts are designed for a long service life. The compatibility and durability of the accessories are rigorously tested. Filters reduce the infiltration of dust, pollen, and other allergens into the air you breathe, the brush reaches deep into corners and edges to remove more dirt, dust, and debris, giving you a comfortable home. High-quality vacuum cleaner components meet or exceed the original quality. Made of high-strength and environmentally friendly material. To keep your iRobot Roomba running at peak performance and reduce battery consumption, accessories should be replaced every 2 to 3 months. Each package includes a set of 16 pieces: 4 x filters; 1 x bristle brush; 1 x flexible whisk brush; 4