Legend MBS Regulator

The first inhalation under water is the start of a new adventure. The revolutionary combination of Venturi effect and inhalation effort adjustment is natural and intuitive. Aqualung’s Master Breathing System allows divers to control both in one simple rotation. All depths, all conditions, all dives – MBS will adapt.

MBS First Stage

Type of first stage Overbalanced diaphragm design
Auto-Closure Device (ACD) Yes
Number of HP ports 2
Number of MP ports 4
1st Stage Flow Rate 1500 l/min
1st Stage Weight in DIN 747 g
1st Stage Weight in Yoke 957 g
Environmental Dry Kit Permanent
First stage exterior Chrome over marine brass

Legend Second Stage

Type of second stage Pneumatically balanced
Controls Venturi switch combine breathing resistance
Breathing resistance – MBS Adjsutable and combine with venturi
Mouthpieces 2ea. – A Comfo-Bite, installed, and a standard with bite wings in the box
Lip shield Included

Heat Exchanger for freezing resistance Standard on all models
2nd Stage Weight 227 g
Hose length 730 mm
Overall work of breathing (WOB) scores Avg. 0.70 joules/liter
Nitrox compatible Yes, to 40% O2 when new, out of the box