[Wide Compatibility]-- The replacement brush roller filter set is perfectly compatible with Navigator Lift Away Vacuum NV350, NV351, NV352, NV356E S2, NV355, NV356, NV357, NV358, NV360, NV354, NV353, UV440, and is comparable to parts XFF350 and XHF350. (Please check your vacuum machine model before purchasing to avoid wrong ordering!) [Washable and Reusable]-- The filter set for vacuum cleaners is washable and reusable. It is recommended to clean the filter brush roller once a month and replace the filter every 3-6 months to improve suction power and performance and extend the life of the vacuum cleaner. Just rinse it with clean water, wait for it to air dry completely, and then use it again. [Easy to Install]-- Easy to remove and install, you need to use a screwdriver tool to remove it when installing. There are two hidden screws under the small wheel. You need to remove the wheel to see the screws. The disassembly process may take several minutes. A short wait brings you a cleaning