Fire Escape Mask Self-Rescue Breathing Apparatus Gas Smoke Mask

Fire Escape Mask Self-Rescue Breathing Apparatus Gas Smoke Mask. Effective Protection Duration: Provides at least 30 minutes of effective breathing time in emergency situations. Superior Airtightness: Features excellent airtightness with inhalation resistance under 800Pa and exhalation under 300Pa. Heat and Radiation Resistance: Designed with multiple protections against heat radiation and smoke inhalation. Universal Fit Design: Suitable for all kinds of adult faces with a full-face safety mask structure. Certified Safety Standard: Manufactured in compliance with the GB21976.7-2012 safety standard. Single-Use Emergency Device: Designed specifically for personal escape and self-life-saving in fire accidents. Wide Application Scenarios: Ideal for public entertainment venues, petroleum, chemical plants, and residential buildings.