Syringe, Micro, Gas-Tight, 100uL capacity, PTFE Luer Lock. Syringes are designed for use in both liquid and gas chromatography. Due to the all-PTFE tip, they can also handle highly corrosive or Ultra-pure liquids. With the exacting tolerances held in the manufacture of these syringes, all components are interchangeable within each size range. PLEASE NOTE: PTFE LUER TIP OR LUER LOCK SYRINGES ARE NOT SUPPLIED WITH NEEDLES. FOR NEEDLES SEE CG-3075.