<br> <b> Compatible Shark Navigator Deluxe vacuum filter replacement NV42, NV44, NV46, UV402. </b><br><br> Washable & Reusable; It is recommended that the filter be cleaned every 1-2 months for best performance, and make sure they are dry before re-installing. <br><br> <b>Fit Models: </b><br> Shark Navigator Deluxe Upright Corded Bagless Vacuum NV42 NV44. <br> Shark Navigator Swivel Plus Upright Vacuum NV46. <br> Shark Navigator Deluxe Vacuum UV402. <br>