Mass Air Flow Sensor ========== Hign-concerned Chemical : None Measuring Range : 1974002110 , 1974003070 , 1974004000 , 1974006050, 197400-2110 NO. : 22204-0L010 197400-4000 Resolution : 1974002110 , 1974003070 , 1974004000 , 1974006050