3-Pack - Shark NV42, UV402, UV410 Compatible Foam & Felt Filter Kit for Shark Deluxe Upright Vacuum Cleaner. Replaces Part #XFF36 3 Shark NV42 Compatible Foam & Felt Filter Kits Filters Fit Navigator Upright models UV402, UV410 & NV42 Compare to Part # XFF36 Fits perfectly and is easy to install. Washable and Reusable High Quality Fette Filter Brand Product