This is a generic product designed and engineered by Funmit. We are not affiliated with, sponsored by or associated with Dyson. This is not a OEM product and is not covered under any Dyson manufacturer's warranty. The Dyson names and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Funmit offers discounted products that provide superb value on premium quality products but may not use identical materials as Dyson and, therefore, cannot guarantee identical results, including with respect to filtration quality or durability.