Compatible models: This accessory is compatible with for 600 Series 605 610 615 616 620 621 625 630 632 650 651 653 655 660 670 686 681 688 681 688 681 684. Please check the model of the sweeper before purchasing. Products include: This product contains a pair of main brushes, six edge brushes, a red brush, a flexible drum brush and four filter elements. These accessories are easy to disassemble and replace during daily maintenance. Suggestions for use: We recommend replacing the accessories every 3-6 months to maintain the efficient cleaning performance of the sweeping robot, achieve optimal cleaning results and keep your room clean at all times. Excellent cleaning performance: the side brush can clean corners and edge areas, the main brush can better collect and remove dirt on the floor, and the filter can remove 99% dust, hair, paper residues, dust , etc. The red brush can remove residual dirt on the main brush. Colour:Photo Color Material:Plastic Package Contents: 1 pair x roller brush 4 x filter 6 x side brush 1 x screw knife 2 x cleaning tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.