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As with all SI TECH Exhaust Valves the Thetis is extremely sensitive for variations in pressure and provides the diver with excellent buoyancy control
Double zipper seal system
Two sizes: Small and Standard
Caring for a flooded video camera/housing
Double-foam pads under the webbing strap provide padding comfort to the shoulder area
Oceanic - EDX 1st Stage Style:Yoke As with all SI TECHThis top of the line cold forged, over balanced diaphragm first stage is environmentally sealed and comes with 4 low pressure and 2 high pressure ports. It also comes equipped with a heat exchanger for added cold water performance.
