Shark NV22L Navigator Replacement Foam and Felt 4 Piece Filter Kit, Shark Part XF22 Includes All Filters Used on the Shark NV22L Vacuum 2 Foam Circular Filters, 1 Felt Circular Filter, and 1 Felt Exhaust Filter Genuine Shark EuroPro Part Number XF22 Keep Your Warranty and Buy Only Genuine Shark Parts Fits Shark Models NV22, NV26, NV36A, UV410, UV400, UV410.