The Apeks XL4+ is a compact lightweight regulator suitable for diving in all environments including cold water locations. Its design and low weight help reduce jaw fatigue on long dives. The XL4+ also makes an ideal stage regulator, perfect for the exploration diver with a large amount of equipment. The XL4+ regulator is a high-performance option for those divers serious about weight savings.

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

Break through, innovative over-moulded first-stage endcap and environmental diaphragm helps prevent ice build-up that can cause first stage free flow in extreme circumstances. Also protects the first stage from impact damage.

Compact and lightweight second stage improves comfort and helps reduce jaw fatigue on long duration dives.

Large heat exhanger to improve cold water preformance and freezing resistance. High performance pneumatically balanced lever operated poppet valve.

Large, over moulded self-flushing and controllable purge button.