Blue Filter 

This Adapter filters through a strong light, great for penetrating fog and smoke, and great for signaling.  Improve night-time visibility and avoid easy detection with these colored filter adapters.  Durable with an anti-roll design, they improve map reading, navigation, and tracking. 

• Uses a toughened ultra-clear glass lens with anti-reflective coating that provides both heat resistance and maximum light penetrability
• Made from PC 2805 plastic, created by Bayer Material Science AG.  PC 2805 plastic can withstand impact and has anti-aging compenents.
• Easy to attach, easy to remove
• Inside diameter:  1 5/8"

For Fenix E40, E50, LD41 (2014 version), TK22, RC15