This iRobot 21936 replenishment kit features 3 sets of dual HEPA filters and replacement bristle, beater and side brushes to keep your iRobot Roomba 700 series robotic vacuum effectively cleaning. A brush-cleaning tool facilitates maintenance.
iRobot Roomba 770 Vacuum Cleaning Robot: The Roomba 770 Vacuum Cleaning Robot provides a concentrated clean, all at the push of a button. The 3-Stage Cleaning System with Dirt Detect Series II identifies dirtier areas in your home and focuses cleaning, ensuring Roomba tackles even fine pet hair, dust and dirt.
My children love the way they bring to bedroom and it does the work for them. I run it 3 times a week while we sleep. Love the job it does because we have a dog that sheds. No more worries about dog hair on my floors