For best results, filters should be replaced every 2 - 3 months.HEPA filter substantially the amount of dust,pollen, pet dander and allergens captured by the innovative filter designSuitable for Mijia disposable sweeping and mopping robot PRO (STYTJ06ZHM)Easy to remove and replace as part of routine maintenance.Often replace the filter to help make indoor air more fresh ,helps reduce household odorsType: Vacuum Cleaner PartsMaterial:plasticcolour:As ShownPackage Contents:1 x roller brush2 x filters4 x rags4 x side brushesOnly 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.
