Single Twin Mini Compact Horns 12 Volt Stainless Mini Compact Horn Twin 430120 twin shown in picture 430110 meets ABYC standard A 23, NMMA type accepted 748110, for use on vessels under 39 feet 430120 meets ABYC standard A 23, NMMA type accepted 748120, for use on vessels under 39 feet dB both models 110
)
