Amazon.com - Replacement Parts Specific for iRobot Roomba Combo j7+/j7 Plus (ONLY) Vacuum Cleaner Accessories, (NOT Even for J7) :2 Sets Rubber Brushes & 6 Filters & 6 Side Brushes & 6 Vacuum Bags
iRobot's new Roomba is a mop and vacuum in one - The Verge