Check the listing for details. Mares 28XR - HR Tek Regulator. Condition: New. Listed at 649.00 USD. DESCRIPTIONThe 28XR-HR underwater regulator is designed for any demanding diver looking for a top-of-the-range product. Mares has concentrated the maximum of technology in the 28XR-HR regulator, obtaining a product which is among the very best available. The revolving turret with vertical low pressure outlet and the other 4 low pressure outlets make it usable: on the twin cylinder, in stages and in sidemount configuration The second stage with technopolymer body, simple and ultralight, offers excellent performance. A large side knob allows you to adjust the breathing force even when wearing thick neoprene gloves. The key features of the 28XR-HR Technical Regulator are: FIRST STAGE : • Polished chromed metal body • Natural DFC on all LP outlets • Balanced membrane and watertight "TBP" system (Twin Balanced Piston) • Watertight anti-infiltration technology (Auto Sealing Technology, AST) • 4 LP outlets on revolving turret • 1 vertical LP outlet • 2 symmetrical HP outlets at an angle of 10° for perfect positioning of the hose • DIN only - 300 bar • Weight: 790 g SECOND STAGE : • Suitable for stage, sidemount, rear main, reserve or "hard breathing" configuration • Breathing effort adjustment • Simple, ultralight and excellent performance technopolymer body • PAD - Pneumatically Assisted Design • Flush button oversized • Miflex XT-Tech hose • Can be opened and cleaned or adjusted underwater