1975 Du Pont Fluorocarbons Ad - Ozone Question

This is a 1975 2-page ad for a Du Pont Fluorocarbons! The size of the ad is approximately 11x17inches. The caption for this ad is 'You want the ozone question answered one way or the other. So does Du Pont' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collecction today!