PERFECT FIT - Replacement parts are compatible with iRobot i7 i7 + i3 i3 + i4 i4 + i6 i6 i8 + j7 j7 +/Plus E5 E6 E7 vacuum cleaners, easy to install. Note: Does not fit iRobot Roomba Combo j7+/j7 Plus VALUE PACK - Includes 2 packs of multi-surface rubber brushes, 8 packs of vacuum filters, 8 packs of side brushes, 1 pack of cleaning brushes, 1 screwdriver. If the side brushes are bent due to transportation, simply soak them in warm water for a while to restore them. EFFICIENT FILTER TECHNOLOGY - Two high-quality rubber brushes are perfectly matched, one for removing dirt and the other for cleaning it. Side brushes reach into corners and edges to remove more dirt, dust and debris. Cleaning filter blocks 99.97% of dirt, dust and other particles as small as 0.3 microns. EASY TO CLEAN AND REPLACE - Hand wash with warm water and air dry completely before reusing. Replacement parts are cleaned regularly to improve suction and performance to extend your life. For best results, replace the brush and filter every 2 - 3 months. Multi-surface rubber brushes should be replaced every 6 months. Meeting Your Needs - If you have any questions about robot vacuum replacement parts, please contact us, we are committed to providing high quality products and efficient customer service.