A patented three-chamber design and no moving parts ensure flawless performance every time from te Fox 40 Whistle. Its blast rises well above man-made and enviromental noise to attract attention in emergency situations.

Features:

• 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