The Onyx II is available in yoke and DIN (with or without adaptor) styles.

ONYX II FIRST STAGE FEATURES:

• Balanced

• 5 LP Ports

• 2 HP Ports

• Lighter weight

• Stylish black finish

• Dry Environmental Seal with Hydro Transmitter

ONYX II SECOND STAGE FEATURES:

• Downstream valve

• Balanced Diaphragm

• Dive/Pre Dive Venturi Control

• Diver Adjustable Breathing Sensitivity

• New Compact Profile

• Anodized aluminum heat sink

• Lightweight Braided Hose Length: 30 in. (.76 m)

- See more at: http://www.zeagle.com/products-repository/regulators/regulator-models/onyx-ii#sthash.rCcqDlrc.dpuf