E5 Series, E10 Series, E20, M5, M6 (or any Flashlight with a bezel of 25mm. )
Made from a flexible material that allows to slip over 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