APEKS DS4 Nitrox 1st Stage DIN, Dive Regulator

APEKS DS4 Nitrox 1st Stage DIN – Dependable Oxygen-Compatible Performance for Technical Diving

Engineered for enriched air diving, the DS4 Nitrox 1st Stage DIN delivers stable intermediate pressure and dependable cold water performance for divers certified in Nitrox use. Built with a balanced diaphragm design, this first stage maintains consistent airflow across varying depths and tank pressures, supporting smooth and controlled breathing on enriched air profiles.

Built by Apeks and trusted by technical and advanced divers worldwide, the DS4 Nitrox configuration features oxygen-compatible components and a distinctive green finish for clear identification. At Aquatic Sports, we recommend this DIN first stage for divers seeking a rugged, environmentally sealed foundation for Nitrox-focused regulator systems.

Why Divers Choose the DS4 Nitrox 1st Stage DIN

• Configured for enriched air Nitrox diving
• Balanced diaphragm design for stable intermediate pressure
• Environmentally sealed for reliable cold water operation
• Consistent airflow delivery across varying depths
• Secure DIN connection for high-pressure cylinder compatibility

Key Features

• Oxygen-compatible components for Nitrox applications
• Environmental sealing to prevent contamination and freezing
• Durable chrome and green finish for clear Nitrox identification
• Multiple low-pressure and high-pressure ports for flexible setup
• Designed for recreational and advanced enriched air diving

Perfect For

• Divers certified for enriched air Nitrox
• Cold water divers requiring environmental protection
• Technical divers building a Nitrox regulator system
• Divers seeking reliable and clearly marked enriched air equipment

Mission-Critical Confidence

The DS4 Nitrox 1st Stage DIN delivers stable pressure management, cold water reliability, and trusted Apeks engineering, providing a dependable foundation for enriched air diving in a wide range of underwater environments.