For the maintenance of spare parts, it is important to note that they must be maintained and cleaned every determined time, so we show you the ideal replacement times: Filters: ideally clean every 2 to 3 uses. Side brushes: should be cleaned every 4 to 5 uses. Central brushes: clean every 1 to 2 uses. It is important to do this because the accumulation of hair and dirt worsens the operation and in the long run, which can damage other components of your robot vacuum cleaner. For cleaning the central and side brushes, the pack includes the cleaning tool, which will be your best ally to accomplish this task. offers a manufacturing warranty on all the products in the pack. If they are defective, they are covered. Fits models: 605, 610, 612, 615, 616, 620, 621, 630, 631, 632, 645, 650, 651, 655, 660, 661 pet, 665, 669, 670, 671, 675, 680, 681, 685, 691, 695, 696. Material: Plastic Color: As shown Package Contents: 2 x Spinning Brushes 3 x Filters 3 x Side Brushes 2 x Cleaning Tools 2 x