<b>Fit Model: </b><br>For ecovacs deebot N79 N79S DN620 DN621 DN622 robot vacuum cleaner.<br> <b>Package includes:</b><br>1 Pc Main Brush<br>6 Pcs Hepa Filters<br>6 Pcs Side Brushes<br><b>Note: </b><br>It's normal that the side brush or the bristles of main brush may be bending in transit.<br>You can put them in hot water (about 85 ℃) for 5 minutes, then they can be recovered.<br>It will not affect the quality and performance of the items.<br> <b>Declaration: </b><br>The products which we showing on Amazon marketplace are the replacement accessories of Ecovacs, they are not the original ones, please kindly pay attention to it.<br>The Ecovacs, which is the registered trademark of the owner.<br>The use of brand name Ecovacs is with the purpose of displaying compatibility.<br><b>Pay Attention:</b><br>If the main brush spins while the side brush can not spin.<br>You can check the main brush to confirm whether it can spin or not.<br>If it can, then check the side brush to confirm if there are something twined around it.<br>If there are, then clean up these things.<br>If the main brush and side brush can not spin either.<br>You can loose the screws of the box which contains the main brush.<br>If the main brush and side brush still can not spin, then replace the main brush or the container of main brush.<br>If these methods do not work, please do not hesitate to contact us, we will try our best to solve the problems for you.<br>