It can be easy to remove and replace as part of routine maintenance.<br> Often replace the filter to help make indoor air more fresh ,helps reduce household odors<br> True HEPA Filter captures 99.97% of dust and allergens as small as .3 Micrometre such as household dust, pet dander, mold spores and plant pollens.<br> For best results, should be replaced every 2 - 3 months.<br> For Silvercrest SSR1 SSRA1 A7 a9s V8 V8s x750 X800 x785 V80 Robot Vacuum Cleaner<br> Colour:As shown<br> Material:plastic<br> Package Contents:<br> 1 * main brush<br> 4 * filters<br> 6 * side brushes<br> 1 * primary filter screen<br> 1 * cleaning brush<br> Only the above package content, other products are not included.<br> Note: Light 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.