Replacement Brush Filter Kit 3-Armed Fit For iRobots Roomba Aerovac 528 529 600 Series - Walmart.com
High-Efficiency Filter, 3-pack for Roomba® e, i, & j series | iRobot
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