2 Pack Foam & Felt Filter Kit for Shark NV42 Deluxe Upright Vac Vacuum Cleaner, Part #XFF36 Designed & Engineered By Anicell Shark Foam & Felt Filter Kit Kit Includes 2 pack Shark NV42 Foam & Felt Filter Kit 100% Compatible with Shark Navigator Deluxe NV42 Upright series. Compare to Part # XFF36 Washable and Reusable We have prepared all shark filters on the second pic, Please check the model of your vacuum, or check the shape of your used filter sets, you could find correct filters for your vacuum.