Home Revolution Replacement 1 Foam & 1 Felt Filter Kit, Fits Shark Navigator Lift-Away vacuum models and Basic Filter Kit part Nos. XFF350 and XFF350NZ, HEPA Filter Part No. XHF350 Designed to fit: Shark Navigator Lift-Away models: NV350, NV350A, NV350E, NV350Q, NV350T, NV350W, NV350WC, NV350WM, NV351, NV351-26, NV352, NV355, NV356, NV356E, NF357, NVLFT199, & UV440 vacuum models, compare to Shark Basic Filter Kit part Nos. XFF350 and XFF350NZ, HEPA Filter Part No. XHF350 Replace with confidence: We back all of our products with a 100% satisfaction guarantee Breathe easy: Washable, reusable foam & felt system removes allergens, impurities, and odors from the air and refreshes your home The Home Revolution Mantra: High-quality replacement products at a low price What you get: 1 foam filters + 1 felt cap