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Zeagle Onyx II First Stage - Din - Sealed

Zeagle Onyx II First Stage - Din - Sealed


The Zeagle Onyx II DIN First Stage Regulator outperforms many, much more expensive regulators with outstanding reputations - why? The internal structure allows direct airflow through the 1st stage, providing lower-turbulence for outstanding performance. Zeagle's conical precision stainless steel high-pressure valve and advanced polymer seat provide much greater reliability and service life compared to conventional designs, while improving responsiveness and Performance at all Breathing Rates. Zeagle's regulators are US made, built under strict controls for quality in Zeagle's own factory, using state of the art equipment and procedures. Your regulator is one of your most important pieces of gear. No matter what kind of diving you do, you can do it better with Zeagle. 


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  • Zeagle Onyx II DIN First Stage
  • Balanced Diaphragm Design
  • High Performance Porting
  • Precision Stainless Steel HP Valve with Advanced-Polymer Seat
  • HP Valve: Improves Responsiveness and Performance at All Breathing Rates
  • First Stage Materials: 
    Body: Marine Grade Black Chromed Brass
    HP Valve: Stainless Steel
    Seat: Advanced Polymer
    O-Rings: Buna-N
  • Inherently Environmentally Sealed
  • Dry Environmental Seal with Hydro Transmitter
  • 5 Low Pressure Ports (3/8"-24 UNF)
  • 2 High Pressure Ports (7/16"-20 UNF)
  • Factory Ready: EAN/ NITROX to 40% O2
  • Weight: Approximately 30 oz (850.5g)
  • Made in the USA
  • Limited Lifetime Warranty