Features: brand new and high quality For best results, the filter should be replaced every 2 to 3 months. Only applicable to Goovi sweeping robot. As part of normal maintenance, the side brushes are easy to remove and replace. The accessories are durable and easy to install, making your sweeping robot more durable. The cleaning brush keeps your domestic robot at its best performance. The accessories are easy and effective to remove dirt, dust and garbage from corners and edges. Especially your hair and pets hair. The filter maintains the cleaning efficiency of the robot while reducing dust, pollen and other allergens from entering the air you breathe. Package Includes: 1x Main Brush 5x Filters 2x Side Brushes 1x Cover Plate 1x Screwdriver 1x Flatware Specifications: Material: ABS Weight: 250g Size:As the picture shown note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.