Specifications Hign-concerned Chemical:None Vacuum Part Type:BRUSHES Model Number:HST-55 Origin:Mainland China Type:Vacuum Cleaner Parts Model For Ecovacs Debot N30 Omni / N30 Pro Omni Attention 1Before 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. 2This is not the original genuine product of the brand, if you are looking for the original genuine product, please do not place an order, we are selling brand new compatible accessories from third parties. The brand name or model designation of this product is for demonstration purposes only. 3The package includes all the kits, and the picture shows which option you have selected above. 4If the package is lost or damaged in transit, we will refund you, and you should contact us as soon as possible. 5Please 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.