Photo 1 of 2-Pack Dual Mode Virtual Wall Barrier Compatible for iRobot Roomba 900 800 600 I/S/E Series e5 e6 i4 i6 i7 i8 S9, Light House for All Plus Versions 5150,7550, e5120 e5152 e5158 Replacement PN 4636429

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Photo 1 of 2-Pack Dual Mode Virtual Wall Barrier Compatible for iRobot Roomba 900 800 600 I/S/E Series e5 e6 i4 i6 i7 i8 S9, Light House for All Plus Versions 5150,7550, e5120 e5152 e5158 Replacement PN 4636429Photo 2 of 2-Pack Dual Mode Virtual Wall Barrier Compatible for iRobot Roomba 900 800 600 I/S/E Series e5 e6 i4 i6 i7 i8 S9, Light House for All Plus Versions 5150,7550, e5120 e5152 e5158 Replacement PN 4636429