Polyester Coverstock Gas Mask Asymmetric Core 16 lb 15 lb 14 lb 13 lb 12 lb RG 2.51 2.5 2.5 2.589 2.612 Diff 0.048 0.058 0.056 0.043 0.043 Length 44% 38% 38% 93% 108% Flare 73% 96% 91% 62% 62% Open in Layout Lab Factory Finish: 800/800/1000/2000 Polish
