Amazon.com - iRobot Roomba Authentic Replacement Parts - Clean Base Automatic Dirt Disposal Bags, 3-Pack for up to 6 months of hassle-free cleaning, Compatible with all Clean Base models
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Amazon.com - iRobot Roomba i3+ EVO (3550) Self-Emptying Robot Vacuum – Now Clean by Room with Smart Mapping, Empties Itself for Up to 60 Days, Works with Alexa, Ideal for Pet Hair,