The filter maintains the cleaning performance of the sweeping robot, while reducing the penetration of dust, pollen and other allergens into the air you breathe.Keep your home clean and tidyFor best results, the filter should be replaced every 2-3 months.Easy to replace and cleanproduct description:Accessories for ilife V55 PRO sweeping robot seriescolour: blue + whiteMaterial: plastic + clothPackage Contents: 1 * Cleaning brush1 * Filter6 * hepa filter6 * Side brush4 * Replace wipeOnly 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.