Here is how a tank is set up with regulators, pressure gauge and inflator hose. The left valve carries only one pressure tube that leads to the primary regulator. The right one has three hoses, one to the secondary regulator, one for the inflator hose and the other one for the pressure gauge.
Location
McMurdo Station
Dive Locker
Antarctica
Created by Hubert Staudigel on Thursday, 1 November 2012
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