There is clear glass and then there is Low-Iron Glass. Dulles Glass' Low-Iron Glass is the "crystal clearest" glass on the market, produced only through a scientific process in which the iron particle agents found in regular (greenish-hue) glass are removed. Low-Iron Glass provides the utmost visual clarity and true color representation for showing off your delicate bathroom tile and marble work.
Similar to high definition standards, the difference is most startling when putting a piece of Low-Iron Glass next to a piece of regular green glass. What you will see is that Low-Iron Glass gives that near invisible look and airy feel to any room. It is the crystal clear choice for your glass.