Apeks XL4 OCEA Stage 3 Regulator Set Grey
The XL4 OCEA combines a compact regulator layout with an over-balanced, dry-sealed first stage. Biobased and recycled second-stage polymers are used in the housing, while the small second stage and straightforward Venturi control keep the setup practical for travel and regular diving.
Features and benefits
- Balanced gas delivery. The over-balanced diaphragm mechanism helps manage the supply to the second stage as diving conditions change.
- Venturi control. Select the appropriate setting for surface handling or diving to help manage free-flow tendency.
- Environmental protection. The sealed first-stage chamber helps keep water and contaminants away from its working mechanism.
- Comfortable mouthpiece hold. The Comfo-Bite palate bridge helps support the second stage without a hard bite.
Setup and compatibility
Connection: DIN, Yoke. Choose the fitting that matches your cylinder valve and its pressure rating. Use the OCEA within its gas-compatibility limits; material or cleaning claims do not make the standard model a dedicated pure-oxygen regulator.
This Stage 3 listing includes the primary regulator and the matching listed octopus. Confirm the selected cylinder connection and any separately listed accessories before ordering.

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