with water intake equipment
facepiece moulded in natural rubber material

Gas life:Cyanogen chloride :

 not less than 50 minutes at 30L /min, 1.5 mg/L, 80-80% RH conditions.
Hydrocyanic acid: not less than 50 minutes at 30L /min, 3mg/L conditions.2. Oil mist penetration coefficient: ont more than 0.005% at 30 L/min.3. Inhalation resistance: not more than 186pa at 30 L/min.4. Exhalation resistance: not more than 100pa at 30 L/min.5. Visual field: total not less than 75%, binocular visual field not less than 30%. 6. Weight: complete set of mask app.700 grams.7. Storage life: more than 8years.