Size: 20*16*6cm Product model: i7 i7+E5 E6 series Package contents: 2 * main brush, 5 * filter, 8 * side brush, 1 * screwdriver, 1 * small brush, 1 * universal wheel 1. Compatibility? t: Accessory set compatible with iRobot Roomba i7 i7+ E5 E6 series. These replacement parts are suitable for your vacuum cleaner. 2. Package contents: 2 main brushes, 5 filter grids, 8 side brushes, 1 screwdriver, 1 toothbrush and 1 universal wheel. 3. High performance: Two high-quality rubber brushes perfectly combined, one for removing dirt and the other for cleaning. The side brush reaches corners and edges to remove more dirt and debris. Replacement filters keep out dust, pet hair and other micron-sized particles. 4. Easy to replace: To ensure that the robot sweeper is in the best working condition, it is recommended to replace the multi-faceted rotating brush every 3 months, the filter every 1 month, and the side brush every half a month. Frequency of use. Sold in Loenzi store