Fire Fighting Equipment Breathing Apparatus Scba with 6.8L/9L Carbon Fiber Cylinder The Positive Pressure Air breathing Apparatuses are self-contained open breathing apparatuses. This series of products, which are ideal personal breathing protectors for the fireman and emergency rescuer, are widely used in such sectors as fire fighting, chemical industry, shipping, petroleum, smelting, electricity, warehouse, lab, mine, for the firemen and emergency rescuers to perform
