Profile: Shafer Enterprises LLC specializes in personal cooling systems. We offer products such as fire fighter, racing, hospital/surgeon, portable system. Aviation system & welding system. Our dual cool vest system allows two surgeons to be cooled from the same cooling unit each wearing their own vest. Our cool Shirt™ provides significant reduction in sweat rate and dehydration. The surgeon's cool vest (Cool Suit) provides cooling surgeons in the operating room for over 10 years. It keeps surgeons feeling refreshed and more alert during surgery and can be worn standing or sitting. Surgeons enjoy the ability to move anywhere in the room quickly with the quick disconnect shutoff valves.