General description This Rolling Brush Filter Replacement Parts set is designed specifically for iRobot Roomba models including the I3, I4, I6, I7, I8, E5, E6, E7, and E&J Series. It features precise installation for a perfect fit, ensuring optimal performance and convenience. Technical specifications Color: Green Material: Plastic Package Contents: 4 x Rolling Brushes, 8 x Filters, 8 x Side Brushes, 8 x Screws, 2 x Cleaning Tools Measurement allowed error: +/- 1-3 cm Usage For best results, replace the edge brush and filter every 2-3 months. Replace the multi-surface rubber brush every 6 months. Regular cleaning and replacement of parts improve suction and extend service life. Other information This set utilizes three-effect filtration technology, blocking 99.97% of pollen, dirt, dust, pet dander, and other particles as small as 0.3 microns. The innovative side brushes effectively clean corners and edges. Light reflection and different displays may cause the color of the item to