Fisnar 5901005 Micron-S Purple standard bore dispense nozzle for high accuracy micro-dot dispensing. Micron-S nozzles have a Luer Lock thread and can be used with any dispensing syringe, valve or pump. A primary design feature of this unique Luer Lock dispensing nozzle is the streamline conical fluid path which delivers substantially higher fluid flow rates and lower dispense pump back pressures. 23 ga, 0.022 in ID, 0.025 in OD.