CONMED OMNITRACE™ FOAM ECG ELECTRODE (3600-050). For an economical solution for facility wide utilization, the rectangular shape and size of the NEW Omnitrace® EKG electrodes provides optimum adhesion and functionality for use up to three days. Unlike all other adult ECG electrodes that have a shelf life limitation of 30 days once the sealed pouch is opened, the Omnitrace electrode offer a shelf life of 45 days. Size: 4.5 x 3.2cm. 50/PCH, 20PCH/CS (1,000). Price per case.