ZVac 1 Shark Navigator Lift Away HEPA Filter Generic Part Replaces Part Numbers F650, F651 Fits: Shark NV360-31, NV350, NV352, NV351, NV356, NV355, NV357, NV356E, NV360 Fits the following Shark Navigator Lift-Away Models: NV350, NV351, NV352, NV355, NV356, NV356E, NV357 Designed, Developed &amp; Engineered by ZVac in America! Includes foam and felt filters. This generic replacement for part number XFF350