The anti-fog film is affixed to the back of the bathroom mirror, which efficiently converts electrical energy into thermal energy, which is transmitted to the lens, which increases the temperature of the mirror surface, which is always 10-15 degrees higher than room temperature. It prevents water vapor from condensing on the mirror surface, prevents the mirror from fogging, and maintains the mirrorsurface. Clear. Generally used in hotel bathrooms, high-end apartment bathrooms.
