Side brush : specially designed for anti-twining during cleaning, easily collect hair and dirts but seldom twined by hairs.HEPA filter:Mainly acts as a dust-proof, intercepts large garbage and debrisMain purpose: timely replacement can improve the cleaning efficiency and protect RoboFor Dream L10plussize: 15.5cmMaterial:plasticcolour:Black+whitePackage Contents: 4 x side brushes4 x filterOnly the above package content, other products are not included.Note: Light shooting 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. About tracking number update: If your tracking number is no logistics information, as thousands of parcels sent to foreign countries, logistics companies did not update logistics information, please contact us the first time, Please kindly do not directly open the dispute. We are the first time for you to solve! Time of shipment:All of product we can shipping out within 5~8 weekday, on usually we are according to customer orders time for packing and shipment, we need to carefully check the quality of the goods before to Ship, So take some time to handled.