4 Sets Replacement Filter for Shark XFF350 Navigator Lift-Away NV350， NV351， NV352 (4 felt &amp; 4 foam)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Foam Filter Kit includes a foam filter and a felt filter for Shark vacuum model NV355， NV356， NV356E， NV357</li><li>Replace part XFF350. 4 SETS- including 4 foam filters and 4 felt filters</li><li>Filters made with high performance material. Washable and re-usable</li><li>100% customer satisfaction guaranteed. Quality meets or exceeds leading national brands.</li><li>Not in retail packaging</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31lHXQxyKvL.jpg" noproxy>