Isolated Negative Pressure Oxygen Breathing Apparatus Respiratory airflow alternately run for the positive and negative pressure, breathing resistance is small, pressure reducer, counterflow.
Cabin Oxygen Breathing Apparatus is used for personal protection, with reliable performance, comfortable carrying and convenience for maintenance. Main application into coalmine, fire protection, chem
Oxygen breathing apparatus for mining escape self-contained rescuer
ZH45 Self-Rescue Breathing Apparatus For Coal Miners is individual breathing protection equipment which is made based on the principle of oxygen generation by chemicals. Miners use them to self-rescue
Isolated Positive Oxygen Breathing Apparatus is used for personal protection, with reliable performance, comfortable carrying and convenience for maintenance. Main application into coalmine, fire prot
Positive Pressure Oxygen Breathing Apparatus standard that we research and develop fully takes up advantages of similar products at home and abroad and particularly reflects small volume, light weight
