American Standard, Air Damper, BAYDMPR Series, For All Voyagers Packaged Cooling with ReliaTel™ Controls 12-1/2 - 25 Tons Unit;All Packaged Rooftops 12-1/2 - 20 Tons Packaged Heat Pump with ReliaTel™ Controls 12-1/2 - 25 Tons Unit;All Voyagers Packaged Gas/Electric with ReliaTel™ Controls 12-1/2 - 25 Tons Unit