Fox 40 Fox 40 Whistle Yellow Pack of 2 Pealess Whistle(Yellow, Pack of 2)

The famous durable, pealess Fox 40 whistle is the choice for pools and waterfronts. Its intense high-pitched trill can be heard over long distances. Water does not affect the Fox 40's performance. Fox 40 presents football whistles which comes in different colors. Whistles are devices powered by air pressure to create a supersonic sound. They act as instruments to direct,prevent and supervise the action of the players during physical activities. FOX 40 Features: ? The Fox 40® ClassicTM 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