Side brush can go deep into the corners and edges to remove more dirt, dust and debris. Filter can remove dust, reduce dust, pollen and other allergens into the air you breatheThe mop cloth has powerful and long-lasting cleansing power, which can easily correspond to various footprints such as footprints, juice residue and oil stains on the floor. As part of normal maintenance, it can be easily removed and replacedIt is recommended that you replace the spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at peak performanceFit models: For Ecovacs Deebot OZMO 920 950Color: blue + blackMaterial: plastic + clothPackage Contents:3x Filters4x Side Brush5x Mop ClothsOnly 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.