3-Pack Replacement NV22L 4-Piece Foam and Felt Filter XF22 for Shark - Compatible with Shark Navigator NV22L, Shark NV22L, Shark NV22, Shark Navigator NV22, Shark NV26, Shark Navigator Swivel NV26, Shark UV410, Shark XF22, Shark UV400, Shark Navigator Swivel Deluxe UV410, Shark NV36A, Shark NV22W, Shark Navigator NV22T, Shark Navigator NV22W