Product DescriptionQuantity: 1 SetPackage Contents: 2*Pre-Filter, 2*Post-Filter, 1*Bird Brush1.High Quality MaterialMade Of Soft And Durable Materials, The Dyson Filters Can Prevent Dust And Dirt From Entering The Motor, Which Helps Improve Vacuum Suction To Extend The Life Of The Vacuum.2.Washable & ReusableDyson Pre-Filters Can Be Removed From The Vacuum And Cleaned With Plain Water. Before Using The Filter, It Must Be Completely Dry. Very Easy To Install, Can Be Recycled And Reused.3.Scope Of Delivery: 2 Pre-Filters For Dyson V6 V7 V8, 2 Post-Filters For Dyson V7 V8 And 1 Cleaning Brush. Sufficient Accessories To Keep The Vacuum Always In Good Performance Without Worrying About A Clean Filter. Note: It Is Recommended To Change The Filter Every 3-6 Months.