Features: Material.It is made from polypropylene cotton and HEPA.High quality and durable. High efficient.Filter plays an important role for the vacuum cleaner,a new filter can help your vacuum cleaner become more powerful. Cycle.Wash the filter every 1 months and change the filter every 2-3 months or as needed Easy to install.Just remove your old filter and put new filter replacement in its place. Compatible with all V6 Series .