The filter adopts a superimposed filter pleat design to increase the filtering area and effectively absorb 99.8% of dust smaller than 0.3 microns. excellent air quality and extend the service life of the vacuum cleaner. Washable and reusable: This cordless vacuum cleaner filter can be washed and reused for 2-3 months after drying. Not only saves costs, but also is more environmentally friendly. Hard and pressure-: This vacuum cleaner filter is made of abs material, which is hard, to falling and collision, can effectively prevent accidental collisions, and is . Easy installation: The vacuum cleaner filter can be easily installed in two steps, without auxiliary tools, and the replacement process is easy and convenient. Color: As Shown Material: abs Package Contents: 3 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.