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.
 

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

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