Specifications Hign-concerned Chemical:None Vacuum Part Type:BRUSHES Model Number:Eufy RoboVac 11 11C Origin:Mainland China Type:Vacuum Cleaner Parts Compatible Model: -Cecotec Conga 1190 -Ecovacs N79 -Ecovacs N79C -Ecovacs N79S -Ecovacs N79W -Ecovacs N79SE -Ecovacs DN622 -Ecovacs DN621 -Ecovacs DN620 -Eufy RoboVac 11 -Eufy RoboVac 11C -IBoto aqua v710 -IKOHS NETBOT S15 -Yeedi K600 -Yeedi K700 Notice Before placing an order, please make sure that your device model is the relevant compatible model mentioned on this product page. You can check the specific product model on the nameplate at the bottom of the device (many sweepers have very similar names, so they need to be distinguished by specific models) , If you request a refund due to the purchase of the wrong product, you will be responsible for the round-trip shipping. 1. The package includes all the kits, and the picture shows which option you have selected above. 2. If the package is lost or damaged in transit, we will refund you, and you should contact us as soon as possible. 3. Please give us a chance to solve any problems. We understand that if the order is wrong, it may bring you unpleasantness, but we will try our best to give you a satisfactory result. 4. 100% brand new and high quality. 5. It is recommended to replace it every 1-2 months or according to your usage to keep the machine at its best performance.