Greenpure 3 sets Foam Filter + Flet Filter Kit for Shark Navigator Life Away XFF350 XHF350 NV350 NV351 NV352 NV355 NV356 NV356E NV357 NV360 NV370 NVLFT199 UV440 NV350A NV350E Q T W WC WM Washable and Reusable Foam and Felt Pre-Filter Compatible P/N: Shark XFF350 Replacement 100% Compatible with Original filter 7 -15 days for delivery from China!