Specifications Hign-concerned Chemical:None Vacuum Part Type:BRUSHES Model Number:Compatible For Narwal Freo X Ultra / J4 Type:Vacuum Cleaner Parts Compatible Models Narwal Freo X Ultra / J4 Notice All of our products support DropShipping, if necessary, you can contact customer service! Before placing an order,be sure to confirm that your device models, the relevant fit model mentioned on this product page, you can check the specific product model number on the nameplate at the bottom of your device (many sweepers have extremely similar names, so you need to distinguish by the specific model number), if you are requesting a refund due to your purchase of the wrong product,you will be responsible for the return shipping costs. 1.These are not the Genuine /Original products,what we sell are brand new Compatible Replacement Products. 2.Package include all kits show in pictures which option you selected above. 3.If package lost or broken in transit ,we will refund money to you,you should contact us ASAP. 4.Please contact us before leaving any negative feedback or opening any dispute on .We will help you to resolve the problem. 5.Please give us the opportunity to resolve any problem.We understand the unhappiness you might have if the order go wrong,but we will try our best to give you the satisfying results. 6.All accessories in our store are washable. Shipment Information Please confirm clearly the logistics mode you choose before you buy. 6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!