1.5%anthanated Tungsten Electrode, 1/8 in x 7 in, 10 PK ORS NASCO humid or dusty environments|Dura-Mesh® shell

1.5%anthanated Tungsten Electrode, 1 8 in x 7 in, 10 PK ORS NASCO humid or dusty environments Dura Mesh® shell humid or dusty environments Dura Mesh® shell protects filter media Contoured face seal and molded nose bridge Frames are lightweight for added comfort and ultra flexible for a near custom fit Specially formulated ultra strong material offers unmatched durability and toughness Comes complete with a convenient neck cord to prevent loss Wraparound style lenses extend eye protection to the periphery Choose SG Infrared to safeguard workers from welders flash (50008 Non radioactive substitute for 2% thoriated tungsten Similar characteristics to ceriated tungsten