Sea-Dog MaxBlast Air Horn - Dual Trumpet. When installed the trumpet should point slightly downward to permit water drainage. Display pack includes horn compressor air tubing and mounting hardware. At 121 decibels and a frequency (Hz) of 37515A/31515A this horn meets the US Coast Guard's COLREGS US Inland Navigation Rules Annex III Regulations and ABYC standard A-23 for boats up to 20 meters (66). 12VDC. Maximum: 20A. NMMA Type Accepted #2577055. Specifications for Sea-Dog MaxBlast Air Horn: Manufacturer: Sea-Dog Color: Black Package Contents: Sea-Dog MaxBlast Air Horn Sea-Dog 432520-1: MaxBlast Air Horn - Dual Trumpet
