?Compatibility?This Vacuum Filter Compatible With Eureka Whirlwind Bagless Canister Vacuum Cleaner Models Nen110A, Nen110B, Nen110D Series. | | ?Filter Dimension?5.87" X 5.87" X 0.91"; 100% Compatible With Original Machine. | | ?Washable? This Nen110B 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. | | ?