Emergency stutter tone air horn. Emergency vehicles can travel with more safety when equipped with Emergency air horns. This air horn features directional, machine gun series of blasts from which motorists and pedestrians can immediately determine the location of the oncoming vehicle. Air horn operates on pressure up to 125 lbs. controlled by an electric valve. Connects directly to air brake junction box. Chrome plated. Air horn measures 24½” with 6" flare. Ship. wt. 7 lbs.
