crwdns2944620:0iRobot Roomba 400 Seriescrwdne2944620:0
crwdns2934139:0crwdne2934139:0
crwdns2931223:0crwdne2931223:0
crwdns2931223:0crwdne2931223:0
Brushes making ratcheting sound, not sucking up dirt
iRobot Roomba 400 crwdns2933313:01crwdne2933313:0