Refurbished: iRobot Roomba i7+ (7550) Robot Vacuum with Automatic Dirt Disposal - Empties Itself for up to 60 Days, Wi-Fi Connected, Smart Mapping, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors Robotic Vacuums - Newegg.com
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Amazon.com - DLD 1 Set of Multi-Surface Rubber Brushes +3 HEPA Filters +4 Edge-Sweeping Brushes Replacement Parts for iRobot Roomba i7 i7+/i7 Plus E5 E6 Vacuum Cleaner Set