With its compact, low-profile design and flow-by piston technology, this first stage ensures smooth and reliable air delivery. It features one HP and two MP ports, and its factory-set I.P. at 135 to 145 psi at 3000 psi guarantees precision in every dive. Plus, its direct attachment to 200 or 300 bar DIN connections and the included Delrin DIN Cap (p/n HL401) make setup a breeze. Dive confidently and explore the depths with this first stage, which is also clean for pre-blended Nitrox up to 40% O2.