TSV 6PCS Vacuum Dust Bags Fit for iRobots Roomba i7 i7+/Plus (7550) i3+ (3550) i6+ (6550) i8+ (8550) s9+ (9550) I & S Series Clean Base Automatic Dirt Disposal Bags - Walmart.com
Amazon.com: 8 Pack Replacement Dust Bag Parts Compatible for IRobot Roomba i7 i7+ i7 Plus (7550) E5 E6 s9+ (9550) I & S Series Clean Base Automatic Dirt Disposal Bags : Home & Kitchen
10 Packs Vacuum Bags for IRobot Roomba I7 I7+/Plus S9+ (9550) Clean Base | eBay
Roomba i7+ vs Roomba i7 - Differences and Compatibility Explained