World's loudest whistle. Blown and heard on land, up to 1/2 mile, and even underwater, up to 50 ft. A non-corroding thermoplastic housing is easy to grasp, and the double chamber design allows it to be blown when held right side up or upside down.
Product Dimensions- 6" L x 4" W x 1" H
Performance in any weather or safety situation due to unique dual chamber design
Works underwater up to 50' and excellent for scuba divers
Easy to grasp housing
Plastic
Wipe Clean
Made in USA
