Delicate and delicate, highly matched with equipment. The Side brush can penetrate deep into corners and edges to remove more dirt, dust and grime. The filter can keep the cleaning performance of the sweeper while reducing the ingress of dust, pollen and other allergens in the air you . As part of routine maintenance, it can be removed and replaced. It is recommended to replace it 2-3 months or after in order to keep the machine at best performance. Color: black+blue material: plastic Package Contents: 2 x Roller Brushes 10 x side brushes 6 x black filters 1 x Cleaning Brush Only the above package content, other products are not included. Note: Light reflection 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.