GE ac model: AEM12ASL1 Window Extension Side Panel 15.47 X 10.23 X 1 in This window extension side panel parts was removed from working perfectly full condition unit unit of GE ac room air conditioner unit 12000 btu unit Item has been checked , cleaned and repaired Condition is perfectly fine Is ready to move the next ac unit Please check the spec before purchasing It maybe compatible with the other brand or model Who needs it please welcome and thanks for watching