Amazon.com - Replacement Parts accessories for irobot Roomba i1+ i7 i7+ i3+ i4+ i6+ i8+ J7+ Plus I & J Plus series Vacuum Cleaner Inclue 4 Roller Brushes , 8 Filters , 8 Side Brushes
Amazon.com - 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,