The Fox 40® Classic™ Whistle is the standard choice referees and coaches at all levels, rescue professionals and general safety worldwide. Great for all sports and anyone that needs a whistle, teachers, coaches, referees. It's easy to blow and cannot be overblown. The harder you blow, the louder the sound. The Classic Fox 40 Whistle will be heard above loud noises.
- No moving parts to freeze, jam or deteriorate
- Flawless, consistent and reliable
- Chambers are designed to self-clear when submerged in water
- Sound will be heard up to a mile away