THINK CRUCIAL HEPA Style Filter, Foam and Felt Filter Kit Replacement for Shark NV80 UV420, Compatible with Part XHF80 and XFF80 XHF80 - The Home Depot
Amazon.com: Green Label Brand Replacement HEPA Filter + Foam and Felt Filter Kit for Shark Vacuum Cleaners (Compares to XFH400 and XFF400). Fits: NV400, NV401, NV402 : Home & Kitchen
Shark Navigator Filter Kit XFF80 - 1 Foam and 1 Felt Filter Set - Genuine , 658