High-Efficiency Filter, 3-pack for Roomba® e, i, & j series | iRobot
iRobot® Authentic Replacement Parts- Roomba® e, i, and j Series Replenishment Kit, (3 High-Efficiency Filters, 3 Edge-Sweeping Brushes, and 1 Set of Multi-Surface Rubber Brushes) - Walmart.com
6 Pack Filter Replacement Part # 81501 for iRobot Roomba 500 Series - Felji
Filter Replacement IROBOT Roomba i7+, How To - HardReset.info