Septum holders for use in syringe connectors

A septum holder comprising:

• a body having a disk shaped annular lower body portion and an upper body portion comprised of at least two vertical posts and at least one horizontal bar;
• an insert comprising at least one bore that forms a seat of a needle valve, the insert fixedly supported between the at least one horizontal bar in the upper body portion and the lower body portion of the septum holder body;
• at least one resilient elongated arm terminating with a distal enlarged element attached to sides of the vertical posts of the upper body portion;
• and a septum attached to and extending downward from a bottom surface of the lower body portion of the septum holder body, the septum extending downward parallel to the at least one arm;
• wherein the septum is made of a single piece of cylindrically shaped resilient material comprising an upper part that is attached to the bottom surface of the lower body portion of the septum holder body and a lower part having a diameter that matches that of a septum in a fluid transfer component.