Introducing the Mares Prestige15X first stage, a compact and reliable regulator that meets the demands of divers at any depth. Featuring the DFC system, it ensures longevity and top performance. The medium-sized, ultra-light techno-polymer second stage has a large purge button for easy use with gloves, and the VAD system provides natural breathing at all depths. The super-flex hose offers maximum comfort and flexibility.Less ThanbRGreater ThanLess ThanbRGreater ThanThe balanced diaphragm first stage is environmentally sealed, protecting internal parts from contaminants like salt, sand, and chlorine. Prestige15X uses A.C.T. Advanced Coating Technology to optimize performance, safety, and reliability. The valve is 600% more durable than its predecessor, thanks to its tri-material construction.Less ThanbRGreater ThanLess ThanBrGreater ThanThe dynamic flow control (DFC) minimizes intermediate pressure drops during inhalation, ensuring stable airflow in extreme conditions. The first stage has 4 LP ports with 3/8" and 2 HP 7/16" ports for gauges or air integrated consoles.The second stage's Vortex Assist Design (V.A.D.) system creates a swirling vortex for sensitive and easy breathing at all depths. The "mesh-grid" system improves water inflow and outflow, while the compact exhaust tee enhances hydrodynamic performance. The Fluid Dynamic Deflector directs airflow from the bypass tube to the mouthpiece for effortless breathing, all within a lightweight techno-po