The Smiths Medical 225-3450-800 is a gas sampling line with male and female luer-lock connectors. It measures 10 feet in length and has an internal diameter of .05 inches. This product is made from PVC, ensuring durability and long-lasting use. It is designed for the efficient and accurate sampling of gases. The luer-lock connectors provide a secure and reliable connection, preventing leaks and ensuring the integrity of the gas sample. This product comes in a case of 50, making it suitable for use in busy medical or laboratory settings.