Nitecore 40mm Red Green Blue or White Filter (NFR40, NFG40, NFB40, NFD40) for MH25 EA41 SRT7, MH27

40mm Filters This premium filter features a double-sided mineral-coated glass lens that delivers high light transmittance and excellent heat resistance. The frame is crafted from high-quality rubber, ensuring extreme durability and impact resistance, and its flexible design accommodates head diameters up to 40mm. A small lanyard attachment hole adds convenience, while the filter doubles as a bezel protector when the lens is removed, enhancing versatility for a range of uses.