Designed for Recreational Divers in Cold Waters

The Apeks ATX40 + DS4 regulator set is designed for recreational divers exploring cold and temperate waters.

It delivers:

• stable low-temperature performance
• smooth and natural breathing
• durable construction
• outstanding reliability

H2: DS4 First Stage – Over-Balanced Diaphragm with Dry Chamber

The DS4 first stage features:

• over-balanced diaphragm design
• dry chamber protecting against cold water exposure
• stable intermediate pressure at depth
• high resistance to freezing

DS4 first stage features – 4 LP ports / 1 HP port, ensuring flexible equipment configuration.

The dry chamber isolates internal components from cold water, increasing reliability in low temperatures.

ATX40 Second Stage – Smooth and Controlled Breathing

• pneumatically balanced mechanism
• Venturi control
• large purge button
• black 75 cm hose

Breathing remains effortless and predictable throughout the dive.

ATX40 Octopus – Added Safety

• same proven technology as the primary second stage
• yellow 90 cm hose
• easy access and operation

A reliable backup regulator enhancing underwater safety.

Set Specifications

• designed for cold and temperate waters
• DS4 first stage – 4 LP ports / 1 HP port
• 75 cm primary hose
• 90 cm octopus hose
• total set weight: 1.6 kg

Why Choose Apeks ATX40 + DS4?

• reliability in cold waters
• stable performance at all recreational depths
• breathing comfort
• durable construction
• renowned brand with years of experience

This regulator is designed for divers who expect stable, safe, and proven equipment.