I think they come with a ever so slight tint. It is supposed to have a wermedaemmung quality. Heat dampening - or something to that effect. Hold up a white sheet of paper behind it, and see if the paper remains white, or if it looks a little greenish.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D