Crosswave X7 3011 3279 3055 filters for wet-dry vacuum cleaner maintenanceX7 Filter Fit : X7 filter is designed for X7 series 3011,3279,3055 Wet-Dry Vacuum . (NOTE: with CrossWave Cordless Max Series 2554, 2590, 2593, 2596.)X7 Filter Accessories Includes: This Set contains 2 angle-free multi-surface brush and 4 high-performance HEPA filters,please replace it every3-6 months.X7 Filter Details: The multi-surface brush roll is made of double-acting microfiber and nylons to work on area rugs and sealed hard floors including hardwood, tile, marble, laminate and linoleum floor.High Efficiency Filter: Premium Vacuum HEPA filters with H12 efficiency to trap 99.97% of particles as small as 0.3 Micrometres in size. The filter can filter dust and impurities to the quality your house.X7 Filter Replacement:Washable Filters and Brushes are reusable and easy to install, no need other . Recommends a new Brush Roll 6 months and a new Filter 3-6 months for cleaning results.Colour:As shownMaterial:plasticPackage Contents:2 x Multi-Surface Pet Brush4 x Vacuum Hepa FiltersOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.