Ingersoll Rand 37992849 Air Compressor 1/4" Regulator 125 PSI ARO 127122-000 is used to control and maintain consistent air pressure for compatible compressor systems. This replacement regulator works by adjusting the airflow from the compressor to the desired pressure level, helping ensure stable air delivery to connected tools or equipment. A properly functioning regulator supports ... https://www.wholetoolbox.com/ingersoll-rand-37992849-air-compressor-1-4-regulator-125-psi-aro-127122-000/37992849.html