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.
If your baby has a current head size of 15â and you make a hat that fits with no ease (exact measurement) then youâre ensuring that the hat can be worn until babyâs head reaches 16.5, or perhaps even 17, inches circumference.