Valve Test Adapters:Â in three sizes: 7/8″, 1/2″, or 5/8″ – used to insert into the valve tester stand which is 3/4″.
Not all valves are sized the same. These adapters fit into the Valve Tester so that you can test ALL valves (Oxygen, SCBA, high pressure, low pressure) before repairing them.
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