Shark Replacement Filter Set XFF350 Navigator Lift-Away NV350, NV351, NV3521, Felt+1 Foam.

• Fits Shark Navigator Lift Professional Away Models; NV355, NV356, NV356E, NV357

• 2 Filters Per Poly package

• PERFECT FIT - Poor-fitting filters can cause dust and debris to escape from your vacuum cleaner. This replacement filter has an exact fit and multi-layer technology to prevent leakage.

• SUPERIOR FILTRATION - Keep your home free from irritants and airborne allergens. This HEPA vacuum filter is designed to trap harmful particles, such as pollen, pet dander, and dust mites.

• For optimal performance wash filter when it becomes full of dirt and dust; about every 3 months and replace every year.