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The Roomba i7+ is one of iRobot's best Roombas. The only higher-end Roomba is the S9+, which currently goes for double the price. The i7 has all of the features you'd want in a robot vacuum; it can map out your floor plan and know which room it's in, it can detect different floor types and adjust its brush head to accomodate, it can sense dirtier areas and spend more time getting those spots clean, and it can connect to your mobile device for scheduling runtimes, setting up invisible walls, and more. The i7 is also upgraded with rubber brushes and a stronger suction system than the lower end Roombas so it's adept at handling finer debris like pet hair. It also has a high-efficiency filter that traps 99% of dander and allergens.

The single best feature of the Roomba i7+ is the included dirt disposal dock. As soon as your Roomba's internal dust tray is full, it will dock itself and empty its contents into a disposable bag tucked inside the dock. This reduces your Roomba maintenance by a truckload, since you normally have to empty out the dust tray after every single run.