"First Stage:
• Made from chrome-plated polished brass.
• High-performance balanced diaphragm design: The Intermediate Pressure is always constant during the dive at any depth.
• Inetrmediate Pressure can easily adjusted.
• Simple and fast maintenance.
• HP ports: 2; LP ports: 4
• Replaceble stainlees-steel Valve Seat: designed to offer great safety, it can be easily disassembled to make maintenance easy .
Second Stage:
• made by technopolimers, elastomers, and metal componets.
• Front cover enhanced with rust-proofing and scratch-resistant Luxury Technology treatment.
• Adjustable Venturi effect (Dive/Pre Dive).
• New Lever: less friction makes breathing more natural.
• OWS System: the Cover is designed to prevent free flow even in strong currents."

High Performance, Reliability, Excels in Rugged Simplicity;
The 2nd stage is lightweight with low-friction mechanics for easy, natural breathing;
Environmentally isolated, balanced diaphragm 1st stage delivers consistent performance as tank pressure changes;
2 High Pressure (HP) 7/16" Threaded Ports, 4 Low Pressure (LP) 3/8" Threaded Ports;
Construction: Techno-Polymer, Elastomers, w/Components in Metal  Cover w/Luxury Technology Treatment for Abrasion & Scratch Resistance Low-Friction Components