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Sigma 2
The Sigma 2 set is a simple and reliable two stage pneumatic system comprising; instant positive pressure demand valve, first stage pressure photo reducing valve, cylinder connector assembly, shoulder mounted combined pressure indicator and warning whistle.
- Positive pressure
- Lightweight backplate
- No tools required for cylinder adjustment
- EU/MCA Approved
- Steel or composite cylinders
- Non dermatitic neoprene or silicone facemasks
- Used in conjunction with Panaseal and Panavisor masks
- Low breathing resistance
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