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.