silicone safety military gas mask with two canister

1.self demistig mask2.Adjustable tapes3.PC visor with 180 degree vision4.CE approved

2.Head harness type mask with lightweight canister
1) Service life: (min) >50min, CNCI: 1.5mg/L, 30L/min, 2) Penetration: <0.005%
3) Leakage coefficient:<0.0001%
4) Inhalation resistance, dapa <19
5) Total field of vision: 75%
6) Binocular field of vision: 35%
7) Total weight<800g
8) The mask is available in three sizes, (small, medium, large)
9)Packing: Carton box