4 Pack Vacuum Cleaner HEPA Filters compatible with Cyclonic Series RO3753EA RO3731EA RO3786EA1. new and . Made of materials compatible with durability2. Creates a high-velocity blade of air that's perfect compatible with styling. One click magnetic attachment. 360degree rotation3. Airflow precisely where you want it4. Produces a high velocity blade of air that's perfect compatible with styling5. Style one section at a time with focused airflowCompatibilty: HD01 HD08 HD02 HD03 HD04Part No. 969549-01Fit compatible with Dyson Supersonic hair dryerModel Number:Professional concentratorFeature:Eco-Friendlycolor:GreyMaterial:Nylon + glass fiberPackage Contents:1 x Professional concentratorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.