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.
Baby Hat Sizes for Preemies. If the little one is about one to two pounds, babyâs head circumference should be around nine or 10 inches. The circumference of the baby hat should be from 7.5 to about 8. The height of the baby hat should from 3.5 to 4.