Perfect Fit - The Spare Parts Are Compatible With Irobot I7 I7+ I3 I3+ I4 I4+ I6 I6+ I8+ J7 J7+ / Plus E5 E6 E7 Vacuum Cleaner, Very Good And Easy To Clean. Install.Economical Set - Includes 2 Multi-Surface Rubber Brushes, 6 Hepa Filters, 6 Side Brushes, 6 Cleaning Base Bags, 1 Cleaning Brush And 1 Screwdriver. If The Side Brushes Are Bent Due To Transportation, Simply Soak Them In Warm Water For A While To Restore Them.High Performance Side Brushes May Break. Go Deep Into Corners And Edges To Remove More Dirt. And Debris. The Hepa Filter Can Block 99.97% Of Particles As Small As 0.3 Microns. Each Bag Has; Dust Can Hold 30 Trash Cans And Debris. Easy To Handle, No Need To Dust.Maintenance-In Order To Ensure That Your Vacuum Cleaner Is Running At Its Best Performance, It Is Recommended That You Clean It. To Replace The Multi-Surface Brush Roll Every 3 Months, To Replace The Filter Every 1 Month And To Replace The Side Brush Every Six Months, Which Also Depends On Your Frequency Of Use .In Response To Your Needs - If You Have Any Questions About Robot Vacuum Cleaner Spare Parts, Please Contact Us, We Are Committed To Helping You. Provide Quality Products Superior Quality And Efficient Customer Service.