Hamilton 86314 Gastight S2000 TLL 2LT Super Syringe for Air and Gas Sampling can be used for air sampling, preparing gas standards, or calibrating reservoirs and pneumographs. The Super Syringe is accurate to 1% of its total volume. The syringe is pressure rated to 30 psig. The PTFE luer lock (TLL) model accepts a variety of Hamilton stainless steel needles, fittings, valves, adapters, and PTFE tube assemblies. The tracheal model accepts soft flexible tubing with a 5/8" ID. The Super Syringe is made of a clear acrylic material.