refrigerant gas R134a

R134A is a inert gas used primarily as a "high-temperature "refrigerant for domestic refrigeration and automibile air conditioners.R134A as a replacement for the more environmentally harmfull r12.Other uses include plastic foam blowing ,as a cleaning solvent ,a propellant for delivery of pharmaceuticals,wine cock removers,gas duster,and in air driers  for removing the moisture from compressed air.R134A has been used to cool computers in some overclocking attempts and as a propellant for airsoft airguns.