Settala Gas is a leading manufacturer of environmentally friendly hydrocarbon propellants branded PURIFAIR and hydrocarbon pure gases with high purities for scientific and laboratory uses. Founded in 1966, the company is based in Italy and specialised also in the production of hydrocarbons refrigerants branded PURIFRIGOR. This is a valid, economical and ecological substitute for CFC, HCFC and HFC. Part of the PURIFRIGOR range is R290 and R600a, environmentally friendly refrigerants used by manufacturers of domestic and industrial refrigerators.