Stainless Steel Unions
Zero dead volume unions join together two lengths of fused silica tubing or two lengths of stainless steel tubing. One set of ferrules is included with each union. Agilent Ultimate Union, based on Agilent’s proprietary Microfluidics Plate technology, is recommended for reliable, high performance column connections.

Press-Fit Unions
Universal "press-fit," zero dead volume connectors join fused silica tubing. Available in glass or fused silica. One size fits all tubing diameters. For best results, use polyimide sealing resin.