Crucial Vacuum Shark HEPA Filter Designed To Fit Shark Navigator Lift-Away NV350, NV351, NV352, NV355, NV356, NV356E, NV357; Replaces Shark Part# XHF350; Designed & Engineered HIGH QUALITY HEPA FILTER replaces your existing Shark Post-Motor filter. Get back to having a clean air to breathe again! Fits Shark Navigator Lift-Away NV351, NV352, NV350E Vacuums; Shark Navigator Lift-Away Professional NV355, NV356, NV356E, NV357, NV400 Vacuums HEALTHIER LIFESTYLE! No one wants breathe dirty air in their home and if you don't clean your air filter that will be exactly what you'll be doing! Replacing your filter will help clean your air purifier's air and allow for a healthier lifestyle! This filter helps keep our household dust, fine powders, and drywall and cement dust. EASY TO INSTALL so you can get back to cleaning as soon as possible! Simply remove your old filter and put this brand new one in it's place! Compare to Shark Part No. XHF350. SAVE MONEY by using a new air filter! When your vacuum has a clogged or dirty air filter it can cause it to work harder which will end up hurting your electric bill!