The Fox 40 whistle's three-chamber design with no moving parts can produce up to 110 decibels. Its sound can be heard well above human and ambient noise to attract attention in an emergency.
- Patented three-chamber design
- With Fox40 whistle cord
- Inheritance-free, flawless performance
- Penetrating 110 decibels
- Includes lanyard
- ISO 12402-8 certified