Cartridge:aluminum can

(1)5mg/L, 80-80% RH conditions.Hydrocyanic acid: not less than 50 minutes at 30L/min,3mg/Lconditions.

(2) Oil mist penetration coefficient: not more then 0.005% at 30L/min

(3) Inhalation resistance: not more than 186 pa at 30L/min.

(4) Exhalation resistance: not more then 100 pa at 30L/min.

(5) Visual field: total not less than 75%, binocular visual field not less than 30%.

(6) Storage life: more then 8 years.

The mask is designed for use by military, police and civil defense and can also be used in industry.