Our 3/4" Brass Electric Air Valve: train horn tested, train horn approved! With a huge 20mm orifice, this solid brass valve provides the extreme airflow needed for authentic train horns or other high-performance pneumatic applications. Built to last, this valve is the perfect addition to any locomotive horn setup.
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.