If a system is. not leaking refrigerant. to the atmosphere, and is operating properly, there is. no technical reason to replace the HCFC refrigerant. In. fact, changing the refrigerant may void the U.L. listing.
Product description. This Infant Protective Hat provide protection to your baby heads from bumps or bruises during their learning stage of sitting, crawling, or walking. These hats have been tested and certified CPSIA 101 and CPSIA 108.
Menâs Winter Hats: The Ultimate Guide to Cold Weather Headwear. I remember being told as a kid that it was important to wear a hat in cold weather because 80-90% of your body heat escapes through your head. As it turns out, this isnât true â I was fed a load of bull. You donât in fact lose more heat from your head than other parts of the body.