The Roomba i7+ robot vacuum automatically empties into a disposable AllergenLock bag that holds 60 days of dirt and dust - so you don’t have to think about vacuuming for months at a time. The premium 3-Stage Cleaning System and Dual Rubber Brushes provide powerful cleaning, guided by smart mapping technology that learns, maps and adapts to each room. Added control from your smart phone gives you a truly custom clean.