Dust Box Case HEPA Filter Bin Parts Kit for iRobot Roomba 800 900 Vacuum Cleaner | eBay
How often do you guys changed your filter? These is like everyday cleaning and he really does picked up a lot.I just got it a week ago.So I'm sure he's catching up
Best Buy: iRobot Roomba 980 App-Controlled Self-Charging Robot Vacuum Black R980020