EnviroCare Replacement Vacuum Filters Designed to Fit Shark Navigator Lift-Away NV350, NV351, NV352, NV355, NV356, NV356E, NV357 Uprights | | Designed to fit: NV350, NV351, NV352, NV355, NV356, NV356E, NV357 | | Traps 99. 97% of household airborne particles. Absolutely Essential for Allergy Sufferers! | | Designed to Fit Shark Navigator Lift-Away Part# XHF350 | | Replaces Shark Navigator Lift-Away Part# XHF350 | |