Amazon.com - AIR U+ Dual Mode Replacement Virtual Wall Barrier Compatible with iRobot Roomba Boundary Markers 600/700/800/900/e/i/s Series, Replace Part Number: 4636429 -
iRobot - Manage where your robot cleans with a Dual Mode Virtual Wall Barrier, which keeps your Roomba in rooms you want cleaned and out of the ones your don't. Find out
iRobot Authentic Replacement Parts- Dual Mode Virtual Wall Barrier Compatible with Roomba 600/700/800/900 Series, Black for Sale in Los Angeles, CA - OfferUp