?Compatibility?The Vacuum Replacement Filter Compatible With Eureka Nec101 Cordless Vacuum Cleaner.The Package Includes 2-Pack Vacuum Cleaner Filters.(Please Do Check The Model Number For Your Vacuum Cleaner Before Make The Purchase! ) | | ?Filter Dimension?3.58" X 3.58" X 0.59"; 100% Compatible With Original Machine. | | ?Washable Reusable?Washable Vacuum Filter For Eureka Nec101 Cordless Vacuum Cleaner Is Hand-Washable Reusable,Filter Should Be Completely Dry Before Placing It Back In Your Vacuum. | | ?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. | | ?