Honeywell Zephyr™ Digital Airflow Sensors: HAF Series, High Accuracy, Unidirectional Flow, G 3/8 Female Threaded Fitting per ISO 1179, 50 SLPM Flow Range, Digital I²C, Address 0x29 Output, 10% to 90% Vdd, 3 Vdc to 10 Vdc Supply Voltage