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Best Buy: iRobot Roomba 650 Self-Charging Robot Vacuum Black R650020
Shelter From The Storm - #8 iRobot Roomba Model: 650 -ability to schedule up to 7x per week, or can just press 'clean' -works on multiple types of surfaces -Dirt Detect sensors
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NeweggBusiness - iRobot R650020 Roomba 650 Vacuum Cleaning Robot - Black and White