DB4+ 1st Stage Dive Regulator

Overview:
The Apeks DB4+ 1st Stage is a compact and lightweight high-performance regulator designed for divers who demand reliability in all environments, including extreme cold water conditions. Built on the proven Apeks DS4 platform, this first stage delivers consistent airflow, durability, and excellent thermal performance.

Its streamlined design makes it ideal for technical, stage, and exploration diving, while the reduced weight helps minimize overall equipment load for long and demanding dives.

First Stage Features:

• Compact machined first stage based on the expedition-tested Apeks DS4 platform.

• 2 high pressure ports for gauges or transmitters.

• Innovative over-moulded endcap and environmental diaphragm helps prevent ice build-up and protects against impact damage.

• Large heat exchanger diaphragm clamp increases gas temperature for improved cold water performance.

• Advanced over-balanced diaphragm design enhances breathing performance at depth.

• Environmentally sealed system keeps water and contaminants out of the internal mechanism.

• Lightweight and durable construction for technical and cold water diving.