Made of high quality materials for durability. When the cleaner is working, the roller brush adjusts the rotation and cleans the floor. The filters maintain the robot's cleaning performance while reducing the infiltration of dust, pollen and other allergens into the air you breathe. For best results, the filters should be replaced every 2 to 3 months. Name: Vacuum Cleaner Mop Accessories Color: Black + Orange + White Material: Plastic Package Contents: 4 x Main Brushes 8 x HEPA Filters 8 x Side Brushes 2 x Goose Head 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.