Loud and Efficient! Extremely easy to blow! Works wet or dry!
Advanced science and technology makes the Sonik Blast CMG Safety Pealess Whistle the most efficient whistle in its class! Precise whistle chamber calibration assures pure frequency performance; less effort, crisper sound. Flawless patented pealess whistle emits distinct louder pitch without a lot of effort. Cannot be overblown. Superior clear loud blast can be heard over long distances and intense ambient noise.