It can be easy to remove and replace as part of routine maintenance.Often replace the filter to help make indoor air more fresh ,helps reduce household odorsTrue HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens.For best results, should be replaced every 2-3 months.for Ecovacs Deebot X1 omni / turbo Robot Vacuum CleanerMaterial: plasticcolour: As shownPackage Contents:1 x roller brush6 x side brushes4 x dust bags3 x filters4 x mop cloths1 x cleaning brushOnly the above package content, other products are not included.Note: Light shooting 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.