Red Filter Cover (Cadet/E5/E9G4/E11/E12/WOFT)

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Will fit models: E5 Series, E9G4, E10 Series, E20, M5, M6 (or any Flashlight with a bezel of 25mm. ) Note: Does Not fit E9G5LT Made from a flexible material that allows to slip ove r the bezel of your flashlight to apply the appropriate color for the situation. Common color ussages are: Red: Red light is most often used to enhance, or more properly, not harm night vision Green: Green light is preferred by hunters and fishermen because it is a very soft light that will not spook their prey. Blue: The blue or violet light filter aids in tracking prey Red light is most often used to enhance, or more properly, not harm night vision. Red light provides great contrast and is not visible to the human eye over long distances. It also works well with night vision scopes and goggles. Photographers use red colored light when doing night-time photography because it provides contrast while preserving the natural shadows developed by darkness. Red light cuts through smoke better than white light and, with the exception of red lines and marks on maps and charts, it makes reading in low, or no, light possible. Police and military units like the red LED for night operations because it will not interfere with night vision technology and cannot easily be picked up by other people. Show more