Amazon.com - ilovelife 2 Pack Dual Model Virtual Wall Barrier Light House Compatible with iRobot Roomba i, e, s, 900, 800 Series Robots, Replace Part Number: 4636429
iRobot Virtual Halo – Vacuum Direct
iRobot | Other | Irobot Roomba Virtual Wall Unit Extended Life Wall Barrier Sensor | Poshmark
Auto for Virtual Wall Barriers for Irobot roomba 530 595 540 620 630 650 652 655 670 675 680 690 - Robotic Vacuum Cleaners | Facebook Marketplace | Facebook
Amazon.com - iRobot Authentic Replacement Parts - Dual Virtual Wall Compatible with All Roomba 600 Series, 614, 675, 692, 694, e Series, i1, i1+, i3, i3+, i4, i4+, i5, i5+, i7, i7+, i8+
Amazon.com - iRobot Roomba Authentic Replacement Parts - Dual Mode Virtual Wall Barrier Compatible with Roomba 600 700 800 900 Series