Casa Vacuums Shark Navigator Lift-Away Bundle HEPA, Foam & Felt Filter Set, Fits NV350, NV351, NV352, NV355, NV356, NV357, NV360, NV370, NV391, NVLFT199, UV440, UV490, UV540, XHF350 XFF350 1 Washable Foam and Felt Pre-Filter Replacement Kit & 1 Hepa Filter (H12 Class Filtration) Fits the following Shark Navigator Lift-Away Models: Filter Set Fits, NV350, NV350A, NV350E, NV350Q, NV350T, NV350W, NV350WC, NV350WM, NV351, NV352, NV355, NV356, NV357, NV360, NV370, NV390, NVLFT199, UV440 UV490CCO, UV540 Vacuums. Compare to part # XHF350 & XFF350 Absolutely Essential for Allergy Sufferers! Traps 99.97 of airborne particles Replaces: Shark Euro-Pro Part Number XFF350 &amp; XHF350 Designed and Engineered by Casa Vacuums in the U.S.A