MK25 EVO Black Tech 1st Stage
Durable Black Tech Coating with Diamond Like Carbon finish.
Air Balanced Flow Through Piston
Extended Thermal Insulating System
5 High Flow Low Pressure Ports
2 High Pressure Ports
 
 G260 Black Tech 2nd Stage
Reinforced, Black Tech, Techno Polymer Design
Air Balanced Second Stage
Dive Adjustable Inhalation Effort Control and VIVA