Please do not hesitate to aks questions i answer fast and honestly. I recently bought some tubes to build out a few NVG's and was offered the last of their lower FOM white tubes at a decent price so i would like to offer them here. MX11769 Pigtail for your PVS14 monocular build. FOM on all is 1300. Come with Data / Spec sheet. Great for your PVS14 build.