{"product_id":"mares-28xr-with-hr-2nd-stage","title":"Mares 28XR With HR 2nd Stage","description":"\u003ch2\u003eMares 28XR With HR 2nd Stage\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMares 28XR with HR 2nd Stage\u003c\/strong\u003e is a high-performance regulator system engineered for technical, sidemount, and extended-range divers who demand reliability, precise breathing control, and rugged construction in all environments. Built with Mares’ advanced XR technologies, this regulator provides exceptional gas flow, cold-water reliability, and long-term durability for demanding dives.\u003c\/p\u003e\n\n\u003ch3\u003eFirst Stage – 28XR\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolished chromed brass body\u003c\/strong\u003e for maximum durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBalanced membrane\u003c\/strong\u003e design with \u003cstrong\u003eTBP – Twin Balanced Piston\u003c\/strong\u003e technology\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAST – Auto Sealing Technology\u003c\/strong\u003e prevents water entry and contamination\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNatural DFC\u003c\/strong\u003e (Dynamic Flow Control) on all LP ports for stable airflow at any depth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 LP ports on a rotating turret\u003c\/strong\u003e for ideal hose routing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 vertical LP port\u003c\/strong\u003e for stage\/deco bottles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 symmetric 10° angled HP ports\u003c\/strong\u003e for SPG\/transmitter alignment\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eDIN 300 Bar only\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 790 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSecond Stage – HR (High Reliability)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for \u003cstrong\u003estage, sidemount, rear main, bailout, or “hard-breathing” setups\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreathing effort adjustment\u003c\/strong\u003e for precise control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePneumatically Assisted Design (PAD)\u003c\/strong\u003e for smooth breathing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight technopolymer body\u003c\/strong\u003e for cold or warm water\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized purge button\u003c\/strong\u003e for use with gloves\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMiflex XT-Tech hose\u003c\/strong\u003e included\u003c\/li\u003e\n  \u003cli\u003eCan be \u003cstrong\u003eopened, cleaned, and adjusted underwater\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTechnical, cave, and deep divers\u003c\/li\u003e\n  \u003cli\u003eSidemount, twinset, stage cylinder users\u003c\/li\u003e\n  \u003cli\u003eCold-water and harsh environment diving\u003c\/li\u003e\n  \u003cli\u003eDivers needing an expedition-ready regulator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- BEGIN MINIFIED PRODUCT + BREADCRUMB JSON-LD --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n[{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Mares 28XR With HR 2nd Stage\",\"image\":[\"https:\/\/www.otadiving.com\/cdn\/shop\/files\/28xr-hr-2.webp?v=1764367298\u0026width=1600\"],\"description\":\"The Mares 28XR with HR 2nd Stage is a high-performance regulator system built for technical, sidemount, and extended-range diving. 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