KLEINN HORNS 12V ELECTRONIC SOLENOID VALVE
The Vortex 4 model 307 air solenoid is the standard valve for Kleinn Air Horns and is compatible with any air horn with a 1/4" NPT inlet. The model 307 has a working pressure of up to 175 PSI and includes a brass compression fitting for 1/4" O.D. tubing.