The Fox 40 whistle is "pealess" which provides for a fail safe personal lifesaving device, with no moving parts to freeze or jam. Used by the American Red Cross, U.S. Coast Guard, U.S. Army and many other associations.
This patented whistle, featuring the "Landfall" logo, is made entirely of high visibility
materials. Package includes a 5/8" diameter (attached) and 1 1/8" diameter (included) Non Corrosive Brass Ring.Check out our other Man Overboard Equipment.