DS4 1st Stage Dive Regulator

Overview:
The Apeks DS4 1st Stage is a compact, rugged, and time-proven regulator that has earned a legendary reputation within the technical diving community. Known for its simplicity, reliability, and outstanding performance, the DS4 is a preferred choice for demanding diving environments, including cold water and deep technical dives.

With its over-balanced diaphragm design and environmentally sealed system, this first stage delivers consistent airflow and dependable operation, even under extreme conditions.

Features:

• Over-balanced diaphragm design increases medium pressure faster than ambient pressure, ensuring superior performance at depth.

• Environmentally sealed dry chamber prevents water, silt, and contamination from entering the mechanism.

• Highly resistant to freezing, making it ideal for cold water diving.

• 1 HP port and 4 MP ports angled for optimal hose routing.

• Compact and robust construction for maximum durability.

• Proven reliability trusted by technical divers worldwide.