Replacement cooling packs are deployed to provide several hours of cooling relief to reduce fatigue and heat stress. For use with S390EZHYPC EZ-Cool® Max combination phase change & evaporative cooling vest. FEATURES Cooling packs are deployed...

FEATURES 1 set of 4 cooling pack inserts PCM is non-flammable, non-toxic, and non-combustible To activate place in freezer, refrigerator, or cooler with ice set at 58°F Set time of 45 minutes to ensure packs are frozen solid throughout Cooling...