Ideally for applications with constant respective limited compressed air supply e. g. compressed air cylinder) or in work places where "constant flow" systems are not permissible.
           consisting of:

• durable and flexible breathing hose
• air flow regulator with belt holding device 
• waist belt and nipple for compressed air hose connection 
• hip belt made of synthetic fabric and a quick-release adjustable buckle which allows quick and secure donning of the device after one-time adjustment to the body size
• with demand valve using positive pressure technology and screw connection M 45 x 3
  (DIN EN 148-3)
• can be used with full face mask SFERA/SPA or C607/SPA
• provides extreme safety and comfort
• reliably packed in dust proof storage case