iRobot Roomba Robot Vacuum i7+ with auto emptying tower

Robot vacuum with charging base and auto disposal tower. The robot has some minor scratches on the top. It comes with a power adapter. The robot functions as expected. comes with extra parts: 6 disposable bags 6 replacement filters for the vacuum 5 replacement brushes 1 replacement wheel 2(1set) replacement roller brush 4 different cleaning brushes for the filters price is $500, or best offer