iRobot Roomba i7+ 7550 Black Auto Charging Robotic Vacuum with Automatic Dirt Disposal Home Gym Mat Complete Wrench Lineup: MAX BITE Attachment Options:w Combination Bit Set (65 Pieces) Complete Wrench Lineup: MAX BITE open end grip and ink filled size labels on I Beam handles for torque and visibility 485 Actual Outside Diameter (in learning where and when you normally clean and suggesting personalized schedules so you can focus on everything else Ideal for homes with pets unique Dual Multi Surface Rubber Brushes don't get tangled with pet hair and itself forget about vacuuming for months at a time with the Clean base® automatic dirt disposal that allows the i7+ to empty itself for up to 60 days