MK25

* Unfailing performance due to patented design
* Machined marine grade chrome plated brass body
* Patented over balanced composite/stainless steel piston
* Thermal Insulating System (TIS) on piston and spring
* Externally adjustable intermediate pressure
* 5 high flow low pressure swivel ports
* Dual high pressure ports
* Available in yoke or DIN (not shown) system
* New wound conical single stainless steel wire filter
* Enlarged water balancing chamber holes


X650

Based on the renowned D400, this one of a kind second stage includes a unique valve design. With new breakthrough design and components, this extraordinary second stage offers top performance.

* Straight coaxial flow valve
* New, smaller poppet
* Diaphragm and exhaust valve positioned below the mouthpiece
* New 15% wider exhaust valve
* Dive/pre-dive control switch
* New diver adjustable inhalation control
* Lightweight orthodontically designed mouthpiece