2 Foam + 2 Felt Filter + 1 HEPA Filter
Fits
Shark Navigator Lift-Away Upright Vacuum
NV350, NV350_26, NV350A_26, NV350C_26, NV350E, NV350Q, NV350T, NV350W, NV350W_N, NV350WC, NV351, NV351C, NV352, NV352C, NV352CFS, NV352E, NV352Q, NV355C, NV355CFS, NV356K, NV356Q, NV357, NV358, UV540
Shark Navigator Lift Away Professional
NV355, NV356E, NV370, NV370_26, NV391C
Shark Navigator Lift-Away Pro Upright Vacuum
NV391, UV541CCO
Shark Navigator Lift-Away Deluxe Upright Vacuum
NV360, NV360K, NV361BK, NV361PR, UV490CCO
Shark Navigator Lift-Away DLX Upright Vacuum
UV440, UV440CCO, UV440CCOFS
Shark Navigator Lift-Away Pet Upright Vacuum
UV500WM
Shark Lift-Away XL Upright Vacuum
UV550
Compare to Part # XFF350 & XHF350
Designed and Engineered by Casa Vacuums in the USA !!