Nitecore 34mm Filter MT25 MT26 Green 6952506490387. Specifications for Nitecore 34mm Filter: Manufacturer: Nitecore Bezel Diameter: 34 mm Features of Nitecore 34mm Filter Filter frame is constructed from high quality rubber for extreme durability and impact resistance. Flexible filter frame adaptable to a head diameter range of 34mm. Features a small lanyard attachment hole. With the lens removed the filter may be used a s a bezel protector. Flashlight models this filter fits: MH25GTS Flashlights with a head diameter of 34mm. Package Contents: Nitecore 34mm Filter Nitecore NFB34 filter Nitecore 6952506490387: 34mm Filter MT25 MT26 Green