Easily connect two transfer/solvent lines of different dimensions. VICI Jour PEEK reducing unions are completely inert and biocompatible, usable with most common organic and inorganic HPLC solvents without risking corrosion, metal contamination, or protein degradation that might occur with stainless steel.
These reducing unions have the standardized Valco fitting details with a smooth transition of the taper into the threaded part, and zero dead volume internal fittings on each end (fittings included).
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