Crucial Vacuum Shark NV22L Foam and Felt Replacement Vacuum Filter Kit 4-Pack Designed To Fit Shark Navigator NV22L; Replaces Shark Vacuum Part # XF22; Designed & Engineered Shark Navigator NV22L Foam and Felt Replacement Filter Kit 4-Pack by Crucial Vacuum Includes 4 Filters; Replaces Shark Navigator Part # XF22 This replacement filter kit fits the following shark models: NV22, NV22C, NV22L, NV22LC, NV22P, NV22T, NV22Q, NV22W If you have allergies, this filter kit is absolutely essential for Allergy Sufferers; 99.97% Allergen Filtration Designed and Developed in the USA by Crucial Vacuum