The Onyx II, is the sealed version of the Scubalab Testers Choice regulator, the Onyx. With the same attractive finish and outstanding performance as the Onyx regulator, the Onyx II fills the need for those that find themselves in cooler water.

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

• Environmentally Sealed and Cold Water kit installed
• Balanced Diaphragm
• 5 LP Ports
• 2 HP Ports
• Ideal for cold water
• Lighter weight