Main Brush:Replaces your existing vacuum cleaner's worn out brush. Get back to running your toes through clean carpet . Side Brush: Side brush can go deep into the corners and edges to remove more dirt, dust and debris,specially designed for anti-twining during cleaning, easily collect hair and dirts but seldom twined by hairs. HEPA Filter:Filter can reduce dust, pollen and other allergens into the air you breathe. intercepts garbage and debris,Filter fine dust, filter and clean dust generated by tiny dust and , and reduce secondary pollution of air. Easy to install and remove, no need to spend extra energy and time. Easy to clean, Help to remove dirt, dust and trash on the floor. Super absorbent, washable and reusable. Suitable Model: For R1 Robot Vacuum Cleaner Parts Colour: Picture color Material: Plastic Package Contents: 1 * Rolling brush 2 * Gray rags 2 * Filter screens 2 * Side brushes Only the above package content, other products are not included. Note: Light 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.