The present disclosure relates to a connector for an infusion set. The connector comprises a body and at least one arm connected to the body which is configured to couple with a base of an infusion set; wherein the body has a first portion and a second portion which are configured to be removably and replaceably coupled together; and wherein each portion has a fluid delivery conduit, the conduits being configured to allow fluidic communication of the connector with at least two independent fluid sources. Also disclosed is an infusion set.