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Why are NRSI® Colored Overlays better than others?

April 26, 2017colored overlays

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Why are NRSI® Colored Overlays better than others?

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NRSI® Colored Overlays consist of 24 different colors and intensities tested in actual classrooms with excellent results. We have both light and dark hues that do not scratch off, with an emphasis on high clarity. The unique CrystalClear® matte finish is manufactured to our specifications. All our overlay products come with screening instructions. Videos of real subjects and results are available.