GreenVacShop offers a filter set of 4 Foam+4 Felt+2 HEPA Filters for <b>Shark vacuum models NV350, NV351, NV352, NV353, NV354, NV355, NV356, NV356E, NV357, NV358, NV360, NV370, NV391, UV440, UV490, UV500, UV540, UV541, UV550, ZU503AMZ, NVLFT199</b>, designed to replace Shark Part # XFF350 XHF350. <br> <br> Our filters, identical to the ones you’ll find with your Shark vacuum, will be your go-to solution for filter replacements. They are a <b>cost effective set of 4+4+2 Felt/Foam/HEPA filters,</b> that are <b>super easy to use & clean.</b> <br> <br> <b>Keep Your House Truly Clean For Your Family & Loved Ones</b> <br> <br> Our replacement filters for Parts # XFF350 XHF350, feature <b>4 quality foam filters with 60 PPI density</b>, <b>4 premium felt filters that are ultra-thick with textured surface</b>, and <b>2 HEPA filters with H12 efficiency</b>! <br> <br> <b>A New & Clean Filter Is The Secret To A Well Working Vacuum</b> <br> <br> You simply <b>HAVE</b> to remember to change your foam/felt filter every 3 months and your HEPA filter every 6 months, otherwise your vacuum will lose suction and won't clean efficiently! <br> <br> <b>Throw away your old clogged & dirty filters</b> and replace them with our quality set of 10 filters (4 Foam+4 Felt+2 HEPA) and take care of your vacuum, your house & family. <br><br> Our set of replacement filters for Shark Navigator Lift-Away, are <b>WASHABLE & REUSABLE.</b> This simply means, you get to use them longer, save money and keep your house properly cleaned! <br> <br> Rinse them with clear water and let them COMPLETELY air-dry, and they are ready to be put back in the Shark. <br> <br> <b>Money Back Guarantee If Not 100% Satisfied</b> <br> <br>In the improbable case you are not 100% satisfied, we'll gladly offer you a <b>FULL REFUND.</b> Please note we honor the manufacturer warranty exclusively to sales through GreenVacShop. Purchases made through unauthorized re-sellers are not covered under this warranty.