The 3/8 OD X 5/16 OD Coupling by Mueller Streamline is engineered for optimal performance in fluid transfer applications. This coupling features an outer diameter of 3/8 inch and an inner diameter of 5/16 inch, making it suitable for various piping systems. Constructed from high-quality materials, it ensures durability and resistance to corrosion. This coupling meets industry standards for safety and reliability, making it an essential component for plumbing and HVAC systems. Its straightforward installation process allows for quick and efficient connections.