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Fisnar 5901007 Micron-S Red 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. 27 ga, 0.013 in ID, 0.016 in OD.