Tusa RS-681 Yoke Adjustable Regulator Set Scuba Diving 1st 2nd Stage R-600, S-81

Tusa RS-684 Scuba Diving Regulator Set R-600 Yoke 1st Stage Regulator S-81 Adjustable Primary 2nd Stage Regulator NOTE: We are a Tusa Dealer so it will come with the full warranty from Tusa FAST Shipping from USA! The RS-681 is TUSA's latestregulator thatdelivers superiorperformance and build quality in a compact lightweight design.The R-600paired with the newly developed S-81 second stagefurther pushes theregulator engineering and performanceenvelope.The ultra-compact balanced diaphragm R-600 first stage is incredibly small and weighs only 630g. The R-600 is configured with 2 HP and 4 LP ports allowing for versatile hose placement. A DIN conversion kit (DIN-R600)and an environmental kit (EK-600) is also available.The newly designed S-81 second stage offers the following features:S.E.A. - Sequential Exhaust AssistThe Sequential Exhaust Assist (S.E.A.) is a revolutionary new second stage design featuring a dual exhaust system. The S.E.A. system consists of an enlarged primary and an auxiliary exhaust. The auxiliary exhaust, located on top of the S-81 elliptical case, works in conjunction with the primary to significantly decrease exhalation resistance.Exhalation resistance directly affects the divers natural breathing cycle. By reducing this resistance or increasing exhalation performance, the diver breathes more naturally and comfortably reducing respiration rate and air consumption. Paired with the R-600 first stage, the S-80 offers a seemingly effortless underwater experience regardless of the workload.Venturi AdjustmentThe addition of a venturi adjustment lever on the S-80 allows the regulator to power assist the diver when underwater utilizing the natural venturi effect. The diver can also adjust the lever to prevent free flow such as on a surface swim.Moisture Exchange PlateThe S-81 second stage incorporates a moisture exchange plate that captures condensation produced by inhalation and exhalation efforts. This condensation increases the humidity of the air breathed and helps to reduce that dry mouth sensation often experienced while diving.Breathing Resistance Adjustment ControlThe Breathing Resistance Adjustment Control on the S-80 allows the diver to simply adjust the flow of air according to their needs. The easy-adjust multiple click knob allows you to quickly and finely tune resistance.Miflex HoseThe Miflex hose is light weight and extremely flexible. The multi-layer construction shows excellent ab... Brand: TUSA Country of Origin: United States