Fox 40 Classic Whistle
The Fox 40 Classic whistle uses patented pea-less technology that produces an ear piercing tone that is distinct and powerful. CE: Certified Solas Approved. The Fox 40 Classic whistle was used by search & rescue professionals when they were saving lives following, the 9/11 terrorist attacks, the Indian ocean earthquake and tsunami, hurricanes Katrina and Wilma. Ideal for outdoor use with no moving parts that can jam or freeze and virtually indestructible construction.