The Apeks XTX40 DS4 Nitrox DIN is a robust and high-performance regulator designed for recreational and technical divers who demand reliability in all diving conditions, including cold water. The environmentally sealed DS4 first stage combined with a pneumatically balanced second stage delivers smooth, effortless breathing even at depth. Nitrox compatible and built to Apeks’ renowned standards of durability, safety, and comfort.
First Stage (DS4)
Over-balanced diaphragm design for superior performance at depth
2 HP ports and 4 MP ports angled for optimal hose routing
Environmentally sealed dry chamber prevents water ingress, silt and ice formation
Suitable for cold water diving
Connection: DIN
Nitrox compatible
Second Stage (XTX40)
Pneumatically balanced for smooth and easy breathing
Large two-stage progressive purge button
Soft-touch Venturi lever for easy operation and reduced grit ingress
Adjustable opening effort control knob
Antimicrobial protection against bacteria, fungi and viruses
Silicone exhaust valve for improved breathing performance
Comfo-bite™ mouthpiece reduces jaw fatigue
Patented heat exchanger improves cold-water performance
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