• First stage body material: polished chrome-plated brass. 
• Second stage body material: ultralight techno polymers. 
• HP Ports: 1. 
• LP ports: 4. 
• First stage features: compensated piston. 
• Shockproof rubber cap on the first stage. 
• Option to regulate the Venturi effect (Dive/PreDive). 
• Functional Easy Purge System cap.

First stage with downstream piston, excellent performance with sturdy reliability;
Second stage lever with an asymetric design allows maximum opening of the valve and improves deep water performance;
Second stage lever with a Dive/Pre-Dive double phase to allow optimal management of the Venturi effect;
Respiratory exertion at 50 msw and 50 barg: 0.91 J/l RINA Certifications for Cold Water CE EN 250 2000;
Large rubber cover for allowing manual purging even with gloves.