REI Tri-Power Safety Whistle
Very loud whistle. Great loud whistle. It is orange…
Source: bought it new
Price Paid: $5
Very loud whistle.
Great loud whistle. It is orange so you will never lose it. However it is big, that might be a downside for some. My wife hates this thing because I am always testing it!
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The REI Tri-Power safety whistle is an extra-loud essential to have on you during outdoor activities in case you need to alert rescuers in an emergency.