Home / Products / 10″ Air Horn SKU: 2018 Categories: Exterior & Chassis, Uncategorized Tag: Ambulance Parts Description Description Brass, chrome-plated, Frequency: 493 Hz Related products 35 Watt Replacement Bulb View Part Custom NERV Console View Part Thermotion Valve View Part Zico Ziamatic QRD2 Quick Release Strapless O2 Cylinder Bracket View Part