It contains single red plastic trumpet and electric valve.
# 24V Black Truck Air Horn for Scania MAN Volvo DAF Mercedes Heavy Duty 130db
# Air Horn Trumpet 130dB 12V 24V for Truck Lorry MAN Scania DAF Volvo Mercedes
12v / 24v Twin Air Horn Chrome Plated Trumpet For Truck Lorry Bus Boat Train
Car Truck Diesel Air Horns 12V / 24V Dual Trumpet Horn Kit Compressor Twin Tone
12V 24V Quad Truck Lorry Air Horn 63cm 25" XL Boxed
24V Black Truck Air Horn For MAN Volvo DAF Mercedes Scania Heavy Duty 130db
