For iRobot Filter Replacement Parts Roomba e5 e6 e7 i7 i7+i7 Plus e and i Series | eBay
Amazon.com: iRobot Roomba i7 (7150) Robot Vacuum- Wi-Fi Connected, Smart Mapping, Compatible with Alexa, Ideal for Pet Hair, Works with Clean Base, Black (Renewed) : Home & Kitchen
iRobot Roomba i7+ - Wi-Fi Connected with Automatic Dirt Disposal