This cylinder adaptor from Western Enterprises is designed to seamlessly connect CGA-520 cylinders to CGA-200 fittings, providing a reliable solution for various welding applications. Crafted with precision, this adaptor ensures compatibility and secure connections, making it an essential accessory for any welding setup. However, it is important to note that this product may expose users to lead, which is known to the State of California to cause birth defects or reproductive harm; for more information, please visit www.P65Warnings.ca.gov. Ideal for professionals and hobbyists alike, this adaptor enhances your welding efficiency while prioritizing safety and compliance.