Check the listing for details. Atomic B2 Sealed First Stage Regulator. Condition: New. Listed at 899.95 USD. Atomic B2 Sealed First Stage RegulatorSKU: ATMB2SSMfr. Part: 03-0027-6P Item Includes1'st and 2'nd Stage Regulators - Low Pressure Hose and Owner's Manual DescriptionIntroducing the Atomic B2 regulator, designed for ultimate comfort as the successor to the renowned Atomic B1. Celebrated for its performance and ergonomics, the B2 shares the first and second stage design of the T1, but with an all-titanium second stage and a compact, high-performance chrome-plated brass and type 316 stainless steel first stage. Featuring a balanced flow-thru piston with Atomic's jet seat high-flow stainless steel piston and an exclusive self-lubricating high-pressure seal system, the B2 ensures low friction and maintenance. The innovative conical seat and blunt end piston design offer exceptional reliability, allowing for 2 years or 300 dives without service. Experience superior diving performance, even at low tank pressure. The B2's factory-sealed first stage provides freeze protection and prevents contamination. Nitrox ready for up to 40% mixtures, the first stage includes 2 high-pressure and 5 low-pressure ports. The B2's second stage boasts a balanced linear flow design for easy breathing at all depths and conditions. Built with a titanium demand valve body, lever, and sealing orifice, as well as a high-quality silicone rubber diaphragm, this pneumatically-balanced poppet second stage features Atomic's patented seat-saving dynamic orifice for extended seal life. Enjoy Atomic's patented automatic flow control (AFC) and the comfort swivel, allowing for 30 Degree rotation without binding or kinking. The regulator also includes a 3/8" threaded 32" low-pressure hose, weighs 2.5 lbs., and comes with an owner's manual.FeaturesAtomic B2 Sealed First Stage Regulator:Nitrox Ready for Mixtures Up to 40% Out-of-the-Box3/8" Threaded 32" (81.3cm) Low Pressure HoseWeight: 2.5 lbs. (1,143 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" Ports5 Low-Pressure (LP) 3/8" PortsLP Port Swivel Turret for Ease of Hose RoutingSecond-Stage:Balanced Linear Flow DesignPneumatically-Balanced Poppet Second-StageBuilt-to-Last: Titanium Demand Valve Body, Lever and Sealing OrificeHigh Quality Silicone Rubber DiaphragmSecond-Stage Orifices, Floating Valve DesignAtomics Patented Automatic Flow Control (AFC)Unique Diaphragm Activated Vain Automatically Controls the Flow and Venturi-EffectOptimum Breathing Resistance at All-DepthsRapid Adjustment Knob for Rare Special SituationsAtomics Comfort Swivel: 30° Rotational Movement without Binding or KinkingSpecifications1'st Stage TypeBalanced Flow-Through PistonLP PortsFive 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 TitaniumHose Thread3/8"Hose Length32" (81.3cm)Total Weight2.5 lbs. (1,143 g) Feedback is a very powerful tool. It gives sellers a reason to conduct business at the highest level of honesty & respect. If you feel like you have a reason to leave neutral or negative feedback, please contact us beforehand, Im sure we can work it out. Please contact us using the ASK A QUESTION link found at the bottom of the page. About us Many years ago Scuba was the first Internet-based divers supply company. We're still the number one store for scuba diving and snorkeling equipment. Thousands and thousands of satisfied customers swear by our service. Contact Us Got a question? Please contact us using the ASK A QUESTION link found at the bottom of the page Hours: Mon-Thu: 9:30-5:30, Friday: 9:30-12:30 Relist Please do not request to have an item relisted if you do not see it any more. If we are able to relist, we will do so even without your request. Item availability We will only post items that are in stock, ready to ship. Payment / Shipping Payment Items can be returned within 30 Days of purchase, and must be returned in original packaging, pending a return authorization. Shipping Most purchases are shipped within 1 day of payment. We will not ship outside of the USA. We supply tracking information 24 hours after the shipment leaves our warehouse. Please check your email and/or Ebay messages & make sure our email doesnt go into spam or junk. No store pick-ups for Ebay items. We will not mark any package as a gift. We do not ship to PO boxes. We ship to APO or FPO addresses, please contact us for more information. Tracking There is no need to email us for tracking info. You will get that automatically. Returns We think you'll agree that Scuba has the best return policy in the industry. You have 60 days from the date of invoice to return the merchandise for full refund. Inspect the equipment when it arrives, and if you're not fully satisfied you can return it for a full refund (less the shipping charge) as long as you haven't used it. We won't even ask why you've changed your mind. You'll need the original manufacturers labeled packaging with all materials, manuals and blank warranty cards. Books, CDs, DVDs may not be returned (due to copyright laws). Sorry. Merchandise returned in used condition or not in its original packaging may be refused, and the carrier will charge you freight in both directions. Please allow 2 days from the date we received the package for us to process your return. ate we received the package for us to process your return.