TechKewl 6622 Phase Change Cooling Crown Cooler

Product Description Phase Change cooling Crown Cooler will provide constant 58' temperature for 2-3 hours per activation regardless of outside temp or humidity. No Ice, No Dripping, activates in cooler after only 10-20min. Will attached to most standard hard hat or bump caps. From the Manufacturer Phase Change cooling Crown Cooler will provide constant 58' temperature for 2-3 hours per activation regardless of outside temp or humidity. No Ice, No Dripping, activates in cooler after only 10-20min. Will attached to most standard hard hat or bump caps.