General description Replacement accessory kit for iRobot Roomba models i7, i7+, E5, and E6. This comprehensive set includes essential components to maintain your vacuum cleaner's performance and efficiency. Technical specifications Size: 20*16*6 cm Product model: i7, i7+, E5, E6 series Compatibility and accessories Compatible with iRobot Roomba i7, i7+, E5, E6 series Package contents: 4 main brushes, 8 filters, 8 side brushes, 1 screwdriver, 1 small brush, 1 universal wheel Usage High performance: Two high-quality rubber brushes designed for effective dirt removal Side brushes reach deep into corners and edges for thorough cleaning Replacement filters block dirt, pet hair, and particles as small as microns Recommended replacement schedule: multi-sided brush roller every 3 months, filter every 1 month, side brush every half month, depending on usage frequency