Brush Parts Kit For iRobot Roomba 530 540 550 560 570 580 551 561 555 500 Series | eBay
iRobot Roomba 561 - YouTube
Roomba iRobot 561, TV & Home Appliances, Vacuum Cleaner & Housekeeping on Carousell
User manual iRobot Roomba 561 (English - 19 pages)
Amazon.com - Replacement Parts for iRobot Roomba 500 Series Roomba 555 560 561 562 570 581 Vacuum Cleaning Robots Other Models with Green or Red Cleaning Head.