Amazon.com - iRobot Roomba Authentic Replacement Parts - Roomba 800 and 900 Series Replenishment Kit (3 AeroForce Filters, 2 Spinning Side Brushes, and 1 Set of Multi-Surface Rubber Brushes)
iRobot Roomba e, i, j series Replenishment Kit (3-Filters, 3-Edge-Sweeping Brushes, and 1-Set of Multi-Surface Rubber Brushes) 4757964 - The Home Depot