Union, Connector Kit, Cross, high pressure, 0.8 mm / 0.031 inch through hole with 1/4-28 screw threads. PEEK, round with an internal "X" flow pattern. Use with 1/16 inch tubing. ARE-Applied Research brand. Bulk Price.
Additional Info:
This "Union" is used to connect PEEK or stainless steel tubing the same connectors on all ends in the high pressures zones of HPLC systems. A "Cross (X)" internal flow pattern is often used to split flow into two or three directions or to combine two or three streams into one.