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7740 Pyrex Glass Adapter, 0.75 Diameter with open tube and dual 1.33 CF Mini Flanges. Glass tube is hermetically sealed to stainless steel sleeves and welded into standard stainless steel CF flanges.
1.33" CF Conflat® flange, OFHC copper gasket, 0.64 ID.10 per package.
Please make a 'Flange-Size' selection at right...