Nitecore filter 34mm fits the EC25 Cobra, MT25, MT26 SRT6 and other flashlights with corresponding head diameter.
Blue light is also the only light that will cut through fog. It is a very mild light. It is great for map reading or any chart reading while still maintaining adequate night vision. Blue LEDs are popular with law enforcement investigators because they will pick traces of blood or bodily fluid that might not be visible to the naked eye. Blue light is also used by hunters to track injured animals by following blood trails. Search and rescue personnel find it useful for the same reason - searching for an injured person is easier if a trail can be established.
Highly resistant to extreme temperatures, thus ideal in harsh environments.
Toughened ultra - frosted glass lense with anti reflective coating provides heat resistance and
Maximum light transmittance.
Portable, lightweight and easy to attach / remove in seconds.