NOLAN,N100, X-LITE X1001. THEY REPLACE THE ORIGINAL VISORS THAT HAVE THE PART NUMBER N100 - X1001 STAMPED ON THEM. X-LITE X1001. NOLAN N100. MADE IN THE U.K. BY BOB HEATH VISORS LTD FROM 2.0 MM LEXAN POLYCARBONATE ,ALL OF THESE VISORS HAVE AN ABRASION RESISTANT COATING ONLY ON BOTH SURFACES APART FROM THE CLEAR ANTI FOG OPTION, WHICH HAS AN ABRASION RESISTANT OUTER COATING AND FOG RESISTANT COATING ON THE INNER SURFACE.
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