The Apeks XL4 2nd Stage, in a sleek white finish, is a compact and lightweight regulator perfectly suited for the technical diver who appreciates streamlined gear. Don't let its size fool you; this regulator packs a punch, delivering exceptional performance even in cold water environments. Its innovative exhaust tee significantly reduces breathing effort, minimising fatigue during long dives. The easily adjustable venturi control helps prevent unwanted freeflow at the surface, while the cracking resistance control allows you to fine-tune the regulator to your personal breathing preference. Durable and reliable, the XL4 2nd Stage is a dependable companion for your underwater adventures.