O-Ring, FKM, AS012, 3/pk

Replacement O-ring AS012 is typically used as a seal in legacy ESI and APcI probe designs. This O-ring is found in the probes of 3100, SQD, ACQUITY TQD and earlier Mass Spectrometers as well as earlier versions of Xevo and Synapt products before the introduction of Tool Free Probes.