Specifications Vacuum Part Type:Mop Cloths Model Number:For Narwal J4 Origin:Mainland China Type:Vacuum Cleaner Parts For Narwal J4 Freo X Ultra J4 Lite Note : This is not a Xiaomi or Roborock genuine /original products,what we sell are brand new compatible replacement type , if you are looking for original /genuine parts pls dont place your order .The Xiaomi brand names is the registered trademarks of their respective owners. Any use of the Xiaomi brand name or model designation for this product is made solely for purposes of demonstrating compatibility *The HEPA filter is washable *The Rag Adopts Whole Area Design, Wipes The Floor Area To Be Wider Feedback: 1).We rely on AliExpress's Feedback and customers' satisfaction to succeed. Therefore,your feedback is extremely important to us.Please leave 5 star in feedback to us if you satisfied with our goods and service. We will give you best price and better service when you make an order next time. 2).Please email us before leaving any negative feedback or opening any dispute on AliExpress. We will help you to resolve the problem.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. 3).We care about our regular customers,and we will always be trying to help you. Hope to establish long business with you...