Amazon.com - iRobot Roomba i3 EVO (3150) Wi-Fi Connected Robot Vacuum – Now Clean by Room with Smart Mapping Works with Alexa Ideal for Pet Hair Carpets & Hard Floors, Roomba i3
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Costco shows an i4 robot to compare with the i7+ on its site. The link to the actual listing for the i4 does not work though. It appears that the i4 somehow
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Amazon.com - iRobot Roomba i4 EVO (4150) Wi-Fi Connected Robot Vacuum – Now Clean by Room with Smart Mapping Compatible with Alexa Ideal for Pet Hair Carpets & Hard Floors, Roomba i4
Roomba Comparison:
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