Size: 20*16*6cm Product model: i7 i7 + E5 E6 series Package content: 2*main brush, 5*filter, 8*side brush, 1*screwdriver, 1*small brush, 1*universal wheel 1.Compatibility: The accessory kit is compatible with iRobot Roomba i7 i7 + E5 E6 series, these replacement parts are suitable for your vacuum cleaner. 2.Whats in the box: 2 main brushes, 5 filter screens, 8 side brushes, 1 screwdriver, 1 small brush, 1 universal wheel. 3.High performance: Two high-quality rubber brushes are perfectly matched, one for removing dirt and the other for cleaning dirt. The side brush goes deep into the corners and edges to remove more dirt and debris. Replacing the filter can block dirt, pet dander and other particles as small as micrometers. 4.Easy to replace: In order to ensure that your sweeping robot runs with the best performance, it is recommended to replace the multi-face brush roller every 3 months, the filter every 1 month, and the side brush every half a month, depending on your usage frequency. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 30938 hours, wish you a happy shopping Thanks for your cooperation and well make you feel satisfied.