?Compatibility?The Vacuum Hepa Filter Compatible With Eioeir Hc-20G, E20 Pro Cordless Stick Vacuum Cleaner. The Package Includes 8 Pack Vacuum Hepa Filters And 1 Pack Clean Brush. (Please Do Check The Model Number For Your Vacuum Cleaner Before Make The Purchase! ) | | ?Hepa Filter Dimension?3.1" X 2.6" X 2.4"H; 100% Compatible With Original Machine. | | ?Washable Reusable? This Hc-20G, E20 Pro Replacement Filter Can Be Washable. The Vacuum Filters Should Be Completely Dried Before Being Put Back Into Vacuum. (Note: Turn Off And Unplug The Vacuum Before Install.) | | ?Easy To Replace?No Tools Are Required. Only Need To Remove Your Old Filter And Put This Brand New One In It'S Place. Replacing Or Cleaning Your Filters Regularly Can Help Prevent Loss Of Suction.To Maintain High Performance, Wash And Dry The Hepa Filter Monthly, Replacing It Every 3 Months. | | ?