The Klarus FT11 Filter tactical size filter that alters the color of your favorite flashlight to suit a variety of purposes. Each filter is constructed from high quality silicone and glass, and fits most flashlights with a bezel diameter measuring approximately 35mm. Each color filter has a unique purpose, and enhance night vision in several ways.

Green filters are primarily used for late night activities such as hunting or hiking. Green light enhances night vision and is excellent for reading maps in the dark, and is popular for use in covert military operations.

Features:

• Tempered glass lens
• Elastic silicone frame
• Metal lanyard ring
• Fits any light with a 1.37"(35mm) bezel diameter