Specifications?: Protection time?: XHZLC4040min / XHZLC6060min Inspiratory resistance?: 800Pa 95L/min Expiratory resistance: 300Pa 95L/min Filter performance: 95% filter efficiency Inhalation temperature: 0.255% CO 65 C Shipping weight?: ?1?000?g List of packages?: 1?*?self-rescue breathing apparatus Precautions: 1. This product is single use, for personal protection and self-rescue. 2. During the use of the product, the inhalation temperature will rise after filtering the external toxic gas, indicating that the concentration of the external toxic gas is high, and the agent in the cartridge is undergoing a filtering reaction. to supply clean air to the user. and inhale. A higher temperature is normal. At this point, the respirator should not be removed and may be removed after escaping the hazard. 3. This product is intended to breathe by filtering the outside air, therefore it cannot be used when the oxygen concentration in the air is less than 17%. 4. When the product is in standby, the ambient temperature should be 0-40?C, there is no heat source around, flammable, explosive and corrosive elements. ventilation should be good, no rain or moisture erosion. 5. This respirator is a storage type. Once fixed and stored, it cannot be moved, knocked or taken apart at will, in order to avoid accidental breakdown. 6. This respirator is intended for adults. Adults are required to help when children wear them. 7. If the opening seal and the packaging box lid packaging bag are torn, the vacuum packaging is destroyed, the seal cannot be recovered, and the respirator is considered used.