Kahlenberg Model D-2 Heavy Duty Marine Air Horns

• All brass and bronze construction.
• Highly reliable, virtually no maintenance required.
• Low air consumption, operates on a wide range of air pressure.
• Fundamental frequency: 266 Hz and 212 Hz.
• Sound pressure level over 132 dB.
• Designed for use on vessels less than 75 meters in length.
• Dimensions: 20-1/2” x 15-1/2” x 8-1/2”.
• Diaphragm 6-3/8”.