Made from Lexan Polycarbonate, this whistle is an essential piece of signalling kit which is perfect in sub-zero conditions. It is also extremely lightweight. A whistle can be used to alert people if you are in distress. The internationally recognised distress signal is 6 blasts of the whistle with a 1 minute break and then repeated. The reply is 3 blasts with the same pause.


Loudness: 108 dB.



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