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Jrvld Environmental Equipment & Supplies
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Manufactured by:John R. Robinson Inc based inLong Island City, NEW YORK (USA)
A simple test instrument used by manufacturers, repairmen, users of condensers & heat exchangers, to find leaking tubes. Seal the far end of each tube with a rubber tube plug. Push the rubber nozzle into the tube. If the tube does not hold vacuum, the tube is defective. One person does the job in seconds using approx. 90 PSI dry clean ...