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Poseidon Xstream Deep MK3, Black

Poseidon Xstream Deep MK3, Black

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Our Price: $695.00


Product Code: EQREG-0100-000-PSDN


The regulator of choice for demanding divers using air, nitrox, trimix or oxygen. Outstanding performance and certified to
200 meters / 656 feet.

Materials: Durable PCS housing with metal mechanism and rubber parts.

Technical Features of Xstream Deep MK3, Black:

  • Trimix and air.
  • 95% Helium mix could be used.
  • 200 m / 656 ft approval Norwegian Norsok U101 standard.
  • Approved to EN250 cold water standard.
  • Approved for use under ice down to -1.6° C / 29.12° F without CWD kit.
  • Unique internal Thermo Dynamic Anti-freeze system (TDA).
  • 5 LP and 2 HP-ports.
  • 2nd stage could be used either from the left or the right -- either way is up.
  • Upstream 2nd stage valve.
  • Low WOB - Servo assisted.


  • Xstream Deep MK3, Black (Air and Trimix) - featured product.
  • Xstream Octopus, Yellow (Air).
  • Xstream Duration G5/8", Green (Nitrox and 100% Oxygen).


  • DIN to yoke adapter.
  • Poseidon regulator carrying bag, with regulator 2nd stage neckstap and t-handle tool for 1st stage port plugs.

Because Harbor Dive Center is an Authorized Poseidon Dealer, the Poseidon Xstream Deep MK3, Black purchased from this site comes with a full manufacturer's warranty. See our dealer listing on Poseidon's website.

Poseidon Xstream Octopus, Yellow

Our Price: $360.00


Poseidon Xstream Octopus, Yellow

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