Double ✫ Pneumatic Air Horn ✫ 2 Tones

Simply Brands — Twin Air Horn with Red Trumpets

Vixen Horns Loud 2/Dual Trumpet Train Air Horn with

Kleinn 225 Dual Air Horn

Pneumatic horn - KDT-123 - Kahlenberg Industries, Inc. - for ships

1702 Single Trombone Horn, 24 ½″, all black - Air Horns by Grover

Vixen Horns Loud 2/Dual Trumpet Train Air Horn with One Compressor

Electro-pneumatic horns for cars, trucks, boats

Kleinn 225 Dual Air Horn

Twin Tone Air Horns

Simply Brands — Twin Air Horn with Red Trumpets

Simply Brands — Twin Air Horn with Red Trumpets

Pneumatic horn - F-2 - Kahlenberg Industries, Inc. - for ships 20-75 m