3M Crystalline Automotive Window Films feature a proprietary, multilayer optical film technology that combines over 200 layers in a film that is thinner than a Post-it® Note. This unique technology is the reason a clear film can reject more heat than darker films, without changing your car's appearance. Solar heat comes from two primary sources, the visible light you can see and the infrared light you can feel. Crystalline window films reject up to 97% of the sun's heat producing infrared light and block up to 60% of the heat coming through your windows. These industry-leading, spectrally-selective films are designed to keep you cool, comfortable and protected. Designed to maintain the appearance of your car, Crystalline films allow up to 90% of the light into your vehicle. Because these films are non-metallized, you can be assured of zero interference with GPS or cell phone signals.
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