Union, Connector, Cross, high pressure, 0.30 mm / 0.012 inches through hole with 10-32 screw threads. PEEK, round with an internal "X" flow pattern. ARE-Applied Research brand. 1 EA.
This low dead volume, "Union" is used to connect PEEK or stainless steel tubing with 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.
Use with two finger tighten connectors (nuts) such as 47301-05 which are sold separately.