Fox 40 Classic Whistle

- The Fox 40® Classic® is the standard choice referees and coaches at all levels, rescue professionals and general safety worldwide - No moving parts to freeze, jam or deteriorate - Flawless, consistent and reliable - The harder you blow, the louder the sound - Easy to blow and cannot be overblown - Will be heard above ambient noise, loud crowds, the roar of engines, breaking waves and thundering gale-force winds - Chambers are designed to self-clear when submerged in water - Sound will be heard up to a mile away