●Specially developed for long duration operations, consists of 2 sets of breathing assembly (facepiece and air supply valve)
●30m long breathing hose with 4 units of 30MPa compressed air cylinder
●\Can assemble 2L escape breathing apparatus for emergent escape
●Escape breathing apparatus comprises of an automatic air source switching valve device that will automaticlly change to the emergency air supply from the escape breathing assemble when emergency happens