This Mass Airflow Sensor from Honeywell is supplied in strip form and features a molded-in arrow that designates gas flow direction. The sensor contains a 4 pin connector setup and consumes a maximum of 100mW. The sensor is calibrated using nitrogen and can handle pressures of up to 50 PSI. Weighing in at 30 grams the Mass Airflow Sensor assembly features dimensions of 6.42 mm long and 1.40 mm tall.