MK25 Chrome
Air balanced flow-through piston: yes
Classic downstream piston : n/a
Balanced diaphragm: n/a
Chrome plated brass body: yes
Full titanium body: no
Anti-freeze protection: yes
Dry chamber: n/a
Nitrox compatible up to 100% oxygen concentration: no
Low pressure (LP) ports: 5
High pressure (HP) ports: 2
Swivelling turret with LP ports: yes
INT 232bar: yes
DIN 232bar: no
DIN 300bar: yes
Dedicated Nitrox EN144-3 DIN 232bar: no
Externally adjustable intermediate pressure: yes

A700
Air balanced valve technology: yes
Classic downstream valve: no
Precision molded carbon fiber and technopolymer housing : no
Titanium components: no
Nitrox compatible up to 100% oxygen concentration: no
Divers adjustable inhalation effort: yes
Divers adjustable VIVA (Venturi Initiated Vacuum Assist): yes
Pre-tuned system: no
Sturdy super-flow hose with kevlar lining for extra durability and flawless air delivery: yes
High comfort orthodontic mouth piece: yes