The CGA-200 to CGA-520 cylinder adaptor from Western Enterprises is an essential fitting designed for seamless connectivity between different gas cylinders, ensuring compatibility in various welding and gas applications. This adaptor is crafted to meet industry standards, providing reliability and efficiency for users in the welding and gas sectors. However, it is important to note that this product may expose users to lead, a substance known to the State of California to cause birth defects or reproductive harm; further details can be found at www.P65Warnings.ca.gov.