Features: Premium double-sided mineral coated glass lens provide high lights transmittance and excellent heat resistance. The filter frame is constructed from high quality rubber for extreme durability and impact resistance. Flexible filter frame adaptable to a head diameter range of 40mm. Features a small lanyard attachment hole. With the lens removed, the filter may be used as a bezel protector. Flashlight models this red filter fits: MH12 Pro, MT1C Pro, MT2C Pro, Flashlights head diameter 26mm