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Olight Blue Filter for M22, M23, S80, R40 LED Flashlights

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Olight FM21 Blue Filter

Crafted from high quality thermoplastic polyurethane, the FM21 filter fits snugly over the head of your favorite flashlights to add additional functionality. The FM21 is compatible with some of the latest popular Olight models include the M22 Warrior, M23 Javelot, S80 Baton and the R40 seeker (or any light of with a 1.5 inch bezel diameter). This filter comes in several colors including red, green, blue and a standard white diffuser model.

Blue filtered lights are often used for blood tracking, as they make blood and related liquids stand out vividly. Blue light is also used for navigation and map reading due to it's low intensity.

  • Thermoplastic polyurethane construction
  • Anti-reflective coating
  • Lanyard hole for easy storage
  • Available in red, green, blue & white
  • Compatible Models: M22 Warrior, M23 Javelot, S80 Baton, R40 Seeker
1 Reviews
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By Donald
Hampton, VA
Things that make you go Hmmmm...
February 1, 2019
I had never heard of this issue before, but it makes sense. With the amount of money spent on First Aid kits I don't think this is too much to spend.
Now a couple of nit picks. The first time I installed the red filter, the lens popped out. It didn't break or even crack and it popped right back in with no issues. It just surprised me. I'm not sure if this lens will have the same issue, but just something to look out for. Finally, the lens and lens frame are made out of thin material. Not too sure how rugged they will be when packed. Keep that in mind.
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Olight Blue Filter for M22, M23, S80, R40 LED Flashlights

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