This Is A Red Filter Attachment For The Fenix Tk-series Flashlights. It Filters Through A Strong Red Light, Great For Penetrating Fog And Smoke, And Great For Signaling.

• 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 Materialscience Ag. Pc 2805 Plastic Can Withstand Impact And Has Anti-aging Components.
• Easy To Attach, Easy To Remove

• 39.7mm (D) x 25mm (H)

NOTE: This diffuser tip will only work with the Fenix TK-Series lights: TK10, TK11, and TK20.