For the maintenance of the spare parts, it is important to note that they must be maintained and cleaned every determined time, then we show you the perfect spare times: Filters: should be cleaned ideally every 2 to 3 uses . Side brushes: should be cleaned every 4-5 uses. Central brushes: should be cleaned every 1 to 2 uses. It is important to do this, because the accumulation of hair and dirt makes the operation worse and in the long term, which can damage other components of your robot vacuum cleaner. For cleaning the central and side brushes, the pack includes the cleaning tool, which be your best ally to accomplish this task. offers a manufacturing on in the pack. If they are defective, they are covered. Models compatible with: 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 colour: As shown Package Contents: 2 x Roller brush 3 x Filter 3 x Side brush 2 x Cleaning tool 2 x