Accueil / Boutique / 2nd stage only & octopus / ZEAGLE ONYX II · 2nd stage or octopus

ZEAGLE ONYX II · 2nd stage or octopus

234.95 $

When the ONYX first came out, it earned high marks as an easy-breathing reg. Now Zeagle added a dry-seal system to the first stage and a heat sink to the second stage, creating the ONYX II cold-water regulator.

Additional information

Weight 3 kg
Dimensions 35 × 25 × 15 cm



The braided LP hose provides high flow and tremendous abrasion resistance while having great flexibility. The compact exhaust tee, advanced black satin chrome finish and light weight construction give the ONYX a beautiful presence.

An anodized aluminum heat sink on the 2nd stage along with the external diaphragm on the 1st stage improves the cold water performance of the ONYX II regulator.

Work of breathing at heavy* demand: 0.95 Joule/Liter *198 (60M) depth, 750 psi inlet, 62.5 RMV (liters per minute respiratory volume)

Like all ZEAGLE regulators, the ONYX II comes factory ready for use with EAN/NITROX up to 40% O2.


Designed for cold water diving and Nitrox ready up to 40%

  • Air-balanced downstream valve
  • Casing material: thermoplastic
  • Valve housing (barrel) material: stainless steel
  • Inhalation effort adjustment knob
  • Venturi system (dive/pre-dive switch)
  • Anodized aluminum heat sink
  • Weight: 0.6lbs/275g (without hose)

Service interval: 12 months

All Zeagle regulators are covered by a limited lifetime warranty and include free parts for your annual service. Restrictions apply. Valid for original owner and at regular service intervals.


Ships within: 1-4 business days

We reserve the right to upgrade your shipping method to Purolator shipping. If you do not wish that for your order please let us know in the order notes at checkout.

We are an environmentally conscious company! We only print on recycled or FSC certified paper and we recycle shipping boxes. Please be aware that your item might arrive in a box with a different brand name.

Together with your tracking number you will receive an electronic invoice. If you wish to have a printed version of your bill in addition please leave a note with your order and we’ll include it in your box.