1. Balance Second Stage
Pneumatically-Balanced Second Stage Results In Smooth, Easy Breathing
2. Easy to Adjustment
The User Adjustment Knob Allows For Total Control Of Breathing Effort In All Diving Conditions
3. Metal Second Stage
If Extreme Cold It’s Also Recommended To Use A Metal Second Stage As Opposed To Plastic. This Is Because A Metal Second Stage Has More Thermal Conductivity. Metal Retains Warms Which In Turn Warms The Expanding Gasses
4. Heat Exchanger Hose
Scuba Diving Hose For Freezing/Water With Heat Exchanger Adapter And Bolt Screw