This is the Sherwood Oasis Pro Scuba Diving Regulator 1st & 2nd Stage

Features:

• Proprietary Moisture Retention Vane collects moisture from exhalation and returns it to the diver upon inhalation. Reduces dryness caused by breathing compressed gas
• 'Diver Adjustable' venturi to prevent unwanted free-flow
• Precision ground stainless steel cam and lever for smooth effortless breathing
• Larger diaphragm and purge cover provides deliver optimal response to inhalation and low cracking effort
• Patented dry sealed spring chamber maintains clean interior
• Four LP and two HP ports for versatile hose routing options

The new Sherwood Oasis Pro is a completely new design and ready to provide you comfort and easy breathing in all diving conditions. The Oasis's new 2nd stage proprietary valve design has been tested in the most rigorous conditions and continues to perform extraordinarily well. Both in the laboratory and in conducted testing the Sherwood Oasis has stood up to every test. The proprietary Moisture Retention Vane does an outstanding job capturing exhaled moisture and returns it upon inhalation. No more cotton mouth with this regulator! The larger diaphragm and purge cover and responsive to inhalation provide easy breathing throughout the dive. And the diver operated Venturi control allow the diver to adjust the setting. The Oasis 1st stage is a completely dry and environmentally sealed 1st stage maintains a clean interior. No gels or liquids to seal the Piston 1st stage design.