566 signal horn is similar to the Bass NP but in orange or black thermoplastic. Extremely tough, corrosion proof, produces a penetrating blast; over 122 decibels of sound. Audible at great distances, conforms to international martime regulations; ideal emergency fog horn for small craft. Useful on construction sites, for field sports warnings, on railways and airfields. Can be supplied with interchangeable mouthpiece (pattern no. 372) for situations where urgent reed replacements may be essential.
Note - this is a large item