YQD1405

· The expiratory valve opens and closes widely for smoother breathing
· Bayonet-mounted design with snap adjustment provides better fit to facial contours
· External filter cartridges on both sides effectively filter and protect against benzene, aniline, carbon tetrachloride and nitrate Organic gases such as base benzene or vapors and toxic smoke
· Soft inside seal ring delivers improved fit, comfort and air tightness
· Applicable scenarios: dust operation, printing and manufacturing, coal mining, painting operations, chemical working environment, metal smelting