ApplicationSpare filters only apply for Shark WV361UK/ WV361GDUK/ WV361PLUK/ WV362UKT/ WV362BLUKT/ WV362RGUKT WandVac System 2-in-1 Cordless Vacuum Cleaner, please kindly check your machine type before ordering.HEPA FilterThe replacement filter is made of premium enviroment-friendly materials, and can effectively isolate the dust, dirt, debris, pet hairs, allergences.Reusable & WashableThe filter can be washed by hand, just use water to flush the surface to remove the dirt. The filter can be reused many times and keep performance all the time.Easy to ReplaceThe vacuum filter totally fit with the machine with excellent sealing, no dust leakage. You can replace it easily without any tools.WHAT YOU GET4 filters included can supply for 6-8 months, wash and replace the filter regularly can maintain your vacuum at optimal performance.