The anti-twist side brush structure prevents hair from entering the gap and makes it easier to collect The filter filters fine dust to prevent dust, pollen and other allergens from entering the air you breathe Fits the edges, effectively blocks , strong absorption of , high friction and clean cleaning As part of normal maintenance, it can be easily removed and replaced It is best to replace the spare parts every 2 to 3 months to keep the machine running at best performance Material: Plastic Color: As shown Package Contents: 2 x Roller Brush 4 x Filter 4 x Side Brush 4 x Rag 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 a little different from the real thing. The measurement allowed error is +/- 1-3 cm.