Description: Gas Mask is a kind of monocular vision filtering protective device, which can protect the personal respiratory organs. It can protect the user’s face, eyes and respiratory tract from the gas effective.
1. Leakage coefficient: ≤0.005 %( 30L/min)
2. Exhalation resistance: ≤100Pa (30L/min)
3. Field of vision: Total ≥75 %
                           Binocular≥55 %
                           Below≥35°
4. Light transmittance: ≥85 %
5. Storage life: 5 years.