Waters SYNAPT G2 Operator's, Overview And Maintenance Manual page 140

7. Remove the metal gasket from the probe tip.
Metal gasket
8. Dispose of the metal gasket in accordance with local environmental
regulations.
9. Remove the PEEK union/UNF coupling assembly and capillary from the
probe.
5-62 Maintenance Procedures
The metal gasket can be contaminated with
Warning:
biohazardous and/or toxic materials. Dispose of it according
to local environmental regulations.
PEEK union/UNF coupling assembly
Capillary