Storm ® loudest whistle in the world used by U.S. troops. The unique patented design allows use under water, so also there is no sound of the whistle within 50 meters.

Storm ® loudest whistle in the world used by U.S. troops. The unique patented design allows use under water, so also there is no sound of the whistle within 50 meters.

Storm ® loudest whistle in the world used by U.S. troops. The unique patented design allows use under water, so also there is no sound of the whistle within 50 meters.

Tests show that the Windstorm ™ whistle produces a sound that is easily heard when compared to other popular whistles. Tested by independent research teams in demanding scientific methods, Windstorm ™ competed in the volume ...