Kahlenberg Model D-2 Heavy Duty Marine Air Horns MANUAL/ELECTRIC COMBINATION VALVE, AIR STRAINER & WHISTLE LIGHT

• All brass and bronze construction.
• 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.
• Diaphragm 6-3/8”.
• Dimensions: 20.5” x 15.5” x 8.5”.
• Includes: Manual/Electric Combination Valve, Air Strainer and Whistle Light Installed.