Function: To keep your robot running at , the parts are recommended to be replaced 2-3 months. Easy installed: Each side brush -installed with a screw shipment, no worry about missing the screws any more.It is easy to be replaced and installed on your robot vacuums. Compatibility: Side brushs compatible with for S5 S6 E20 E25 E35 S50 vacuum Side brushes are easy to remove and replace as part of routine maintenance. Design: A -free design reduces jams caused by tangled hair. These side brushes are made of durable material to the high efficiency and cleanliness performance of for robotic vacuum. Colour: white Material: plastic Package Contents: 6 x side brush Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.