MK25T/S600T

First Stage- Machined Titanium Body and Components, Air-Balanced Flow-Through Piston Design, Thermal Insulating System (TIS), Externally-Adjustable Intermediate Pressure, and 5-Port LP Swivel, Dual HP Ports.

Second Stage- Titanium Trim Ring and Insignia Plate, Technopolymer Body and Components, Air-Balanced Linear- Flow Valve, Diver-Adjustable VIVA & Inhalation Control, High-Flow Exhaust Valve, Ergonomic, Safe-Grip Mouthpiece, Limited Lifetime Warranty, 1st & 2nd Stage