EnviroCare Replacement Vacuum Filters for Shark Navigator Lift-Away NV350, NV351, NV352, NV355, NV356, NV356E, NV357 Pre-Filter Kits (2 Foam and 2 Felt Filters) + 1 Hepa Filter EnviroCare Replacement Shark Navigator Lift- Away Filter Kit. Includes 2 Washable Foam and Felt Pre-Filters & 1 Hepa Filter Designed to fit: Shark Navigator Lift Away Upright Cleaners model NV350, NV351, NV352, NV354, NV355, NV356, NV357, NV358, Deluxe NV360, NV370, NV391, DLX UV440, UV490, UV540 Replaces: Shark Euro-Pro Part Number XFF350 & XHF350 99.97% HEPA Filtration Traps Microscopic Particles and Allergens Manufactured by EnviroCare Technologies, the leader in premium aftermarket Vacuum bags and Filters