The Swagelok Stainless Steel Reducing Union with a 3/8" tube x 1/4" tube connection is a high-quality fitting designed for use in various industrial applications. Made from durable stainless steel, this compression fitting provides a reliable and secure connection for hydraulic, pneumatic, and plumbing systems. The Swagelok brand is known for its superior craftsmanship and long-lasting products, making this reducing union a dependable choice for your fluid system needs.