FEMALE LUER FOR HVX,HVXD,HVXL Hamilton Compare this item Adapters, Female Luer Locks, Vacuum Chemglass Adapter has a 1/4” -28 thread that accepts a female luer lock adapter which provides a convenient way to connect solid phase extraction (SPE) cartridges, tubes, or syringes with a male luer lock fitting to a standard male taper inner joint.