Uniweld NV1 NitroVue Nitrogen Flow Indicator Uniweld's NV1 NitroVue Nitrogen Flow Indicator is nitrogen purging simplified. The easy to read flow indicator label and the precision adjustable valve give complete control over the low flow of nitrogen gas during the brazing of copper tubing in Air Conditioning and Refrigeration systems.
THIS CAME FROM A CIRCUIT BOARD MANUFACTURING COMPANY THAT CLOSED ITD DOORS AFTER 40 YEARS.I DONR BELIEVE ITS BEEN USED I HAVE OVER 20 IF YOU WANT MORE CONTACT ME AND ILL LIST THEM WITH A BUY IT NOW DISCOUNT FOR MULTIPLES.BUYER PAYS SHIPPING
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