Best Vacuum Filter Compatible with Shark NV350 Bundle HEPA, Foam & Felt Filter Set, Fits NV350, NV351, NV352, NV355, NV356, NV357, NV360, NV370, UV440, UV540 Vacuums fits XHF350 & XFF350 Filter Bundle Designed to fit Shark NV350 HEPA Post & Pre Filter Filter Set Fits NV350 NV350A NV350E NV350Q NV350T NV350W NV350WC NV350WM NV351 NV352 NV355 NV356 NV357 NV360 NV370 NV391 NVLFT199 UV440 UV540 Vacuums. Compare to Part # XHF350 & XFF350 Washable Foam & Felt Filter Designed & Engineered by Best Vacuum Filter