Mk17 First Stage

• Machined marine grade chrome plated brass body
• Over-balanced diaphragm design
• Dry ambient chamber
• Safety seat guide and low profile HP orifice
• Two High Flow Ports (HFP)
• TIS (Thermal Insulating System)
• Externally adjustable intermediate pressure
• Two high pressure ports
• Available in yoke or DIN (not shown) configurations

S600 Second Stage

• Technopolymer body and components
• Peak performance air balancing system
• Air-balanced linear-flow valve
• Automatic anti-set feature
• Diver-adjustable VIVA
• High-flow exhaust valve
• Diver-adjustable inhalation effort control
• Lightweight, compact size
• Ergonomic, safegrip mouthpiece
• Available in the following colours: