Sherwood First Stage Regulator Underwater Pump 9oz (111g)

9oz (111g)

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Sherwood First Stage Regulator Underwater Pump 9oz (111g)Innovation at its best is the way to explain the function of the Sherwood First Stage Regulator. The first stage regulator incorporates Sherwoods Dry Sealed Spring. This simple yet unique design has a flow by piston that mechanically balances the air of the first stage ensuring excellent breathing characteristics at full or low cylinder pressures. Balanced flow by piston design, which is a fail safe mechanism, with a patented dry seal internal