New Stainless Steel genuine part. Standard bore ESI probe for the Waters™ LCT, Waters LCT Premier/XE, all Waters QTof models, all Waters Quattro API models, Waters SQ Detector, Waters Synapt G2, Waters TQ Detector, Waters ZMD and Waters ZQ. Not compatible with the Xevo™ range of instruments. *Chromatography Direct has no affiliation with Waters.