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Max Blast Trumpet Air Horn, Long Twin Bell with Compressor
Boaters, Use the MaxBlast Dual Trumpet Air Horn with compressor, air tubing, and mounting hardware to announce your presence on the water. With a 121 decibel rating and a frequency (Hz) of 375±15A/315±15A, 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’). When installed, the trumpet should point slightly downward to permit water drainage. Maximum: 20A. Constructed of durable chrome plated brass. NMMA Type Accepted #2577055. 12 VDC.