CFC-free spray cans. Three cans of (from left to right) car paint, furniture polish and an anti- oxidant. These are all free of CFCs (chlorofluoro- carbons) or freons. It is known that CFCs, which rise into the atmosphere, deplete the ozone layer that protects the Earth from the Sun's ultraviolet radiation. Various symbols, conveying the CFC- free nature of these products, are displayed.