Check the listing for details. Atomic Aquatics Z3 Sealed Swivel Regulator. Condition: New. Listed at 749.95 USD. Atomic Aquatics Z3 Sealed Swivel RegulatorSKU: ATMZ3SYMfr. Part: 03-0090-6P Item Includes1'st and 2'nd Stage Regulators - Low Pressure Hose and Owner's Manual DescriptionThe Atomic Aquatics Z3 is a compact, budget-friendly regulator system that outperforms even the priciest competitors. Built on the B1/T1 platform, it offers the same performance and patented features as the Z2, along with some extras. Its balanced flow-thru piston design features a high-flow stainless steel piston and a self-lubricating high-pressure piston seal, ensuring low maintenance. The unique jet seat system prevents seat damage, and the precision-machined valve seats enable a 2-year or 300-dive service interval. The Z3 excels in diving performance even at low tank pressures. Freeze-protected and factory-sealed, the Z3's first stage keeps silt and sand out of the valve mechanism. Nitrox-ready up to 40%, it has 2 high-pressure and 7 low-pressure ports. The Z Series second stage features a balanced linear flow design for easy breathing at all depths and conditions. With a durable Zirconium plated brass demand valve body, titanium lever, sealing orifice, and high-quality silicone rubber diaphragm, it's built to last. The patented seat-saving dynamic orifice extends the life of the second-stage poppet seat when not pressurized. Equipped with Atomic's patented automatic flow control (AFC), the Z series second stage optimizes breathing resistance. A soft over-molded rapid adjustment knob is available for special situations. The titanium comfort swivel eliminates the "pulling effect" when turning your head underwater, allowing 30 Degree rotational movement without binding or kinking. The Z3 features a high-flow second stage case, magnum lever design, dual material second stage cover for easy purging, and a dual silicone comfort fit mouthpiece. It comes with a 3/8" threaded 32" low-pressure hose, weighs 2.6 lbs., and includes an owner's manual. Experience the exceptional performance and value of the Atomic Aquatics Z3.Features Atomic Z3 Swivel Regulator:Atomic Aquatics Most Compact and Economical Regulator SystemNitrox Ready for Mixtures Up to 40% Out-of-the-Box3/8" Threaded 32" (81.3cm) Low Pressure HoseWeight: 2.6 lbs. (1,151 g)Owner's ManualFirst-Stage:Chrome Plated Brass and 316-Grade Stainless SteelBalanced Flow-Thru Piston DesignAtomics Jet Seat High-Flow PistonExclusive High-Pressure Piston Seal System is Self-LubricatingSelf-Lubricating for Low Friction and Low MaintenanceNo Sharp Edges: Conical Seat and Blunt-End PistonPrecision Machined from an Extremely Strong Aerospace Specification Seat MaterialMost Reliable Seat System in the IndustrySeat System: 2-Years or 300 Dives w/o Service2 High-Pressure (HP) 7/16" Ports7 Low-Pressure (LP) 3/8" PortsSecond-Stage:Balanced Linear Flow DesignPneumatically-Balanced Poppet Second-StageBuilt-to-Last: Zirconium Plated Brass Demand Valve Body Titanium Lever and Sealing OrificeHigh Quality Silicone Rubber DiaphragmAtomics Patented Seat Saving Dynamic OrificeUnique Diaphragm Activated Vain Automatically Controls the Flow and Venturi-EffectNew High-Flow Second Stage Case & Magnum Lever Design: Significantly-Lowers Breathing EffortOptimum Breathing Resistance at All-DepthsSoft-Over-Molded Rapid Adjustment Knob for Rare Special SituationsAtomics Comfort Swivel: 30° Rotational Movement without Binding or KinkingComfort Swivel: All-Titanium with Black PVD CoatingDual Material Second Stage Cover for Easier PurgingDual Silicone Comfort Fit Mouthpiece with Tear-Resistant Bite TabsMetal Accented Front Cover RingSpecifications1'st Stage TypeBalanced Flow-Through PistonLP PortsSeven 3/8" PortsHP PortsTwo 7/16" PortsAdjustable 2'nd StageYes, Flow Control KnobNitrox CompatibleYes, Up to 40%2'nd Stage TypePneumatically-BalancedRegulator MaterialsFirst-Stage: Chrome Plated Brass & 316-Grade Stainless Steel Second-Stage: Demand Valve Body Zirconium Plated Brass Lever & Sealing Orifice Titanium Diaphragm SiliconeHose Thread3/8"Hose Length32" (81.3cm)Total Weight2.6 lbs. 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