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iRobot Roomba 51102 Bagless Robotic Vacuum Cleaner for $169.99 Shipped

iRobot Roomba 51102 Bagless Robotic Vacuum Cleaner for $169.99 shipped after promo code iROBOT722.  Here is a screenshot for reference.  This Roomba features counter-rotating brushes, dirt sensor, spot mode, automatic adjustment between carpets and hard floor, and includes one virtual wall, power supply, rechargeable battery, extra filter, and brush cleaning tool.  It usually sells for about $279.