Long tube respirators

Long tube respirators by the mobile gas supply source and the combination of breathing, equipped with a fixed tube 1 root 30m, two long tube 10m, maximum usage up to 50m, equipped with 2 sets of breathing masks for 2 people at the same time. Mobile gas supply source has multiple cylinders, which can also be simultaneously only by air. Mobile source air for a long time and is available to human respiratory gas source, pneumatic equipment supply source or sources of gas detection equipment.