User manual iRobot Roomba 620 (English - 36 pages)
Amazon.com: Creatchy Accessory for Irobot Roomba 600 610 620 650 Series Vacuum Cleaner Replacement Part Kit - Includes 3 Pack Filter, Side Brush, and 1 Pack Bristle Brush : Home & Kitchen
iRobot Roomba 620 vs iRobot Roomba 650: What is the difference?