Brand New L3 Warrior SystemsPVS-15 Demist Shield, compatible with PVS-15 and 18. OEM parts direct from L3, Made in USA. Works for PVS-14, Katana, Tanto, DTNVG, DTNVS, BNVD 1431, 1531 and other compatible lenses. Works as screw in sacrificial lens for PVS-14 compatible objective lenses.