This convenient galvanized iron fitting from Aqua-Dynamic helps join two pipes of different sizes. Made of malleable iron and galvanized to resist corrosion, this 1/2″ female thread and 3/8″ female thread reduction sleeve is pressure tested to support up to 150 psi. Creating a simple and heavy-duty fitting to join pipes in your home or property, this fitting allows for quick and safe connections between water pipes for irrigation systems, gutters, and outdoor plumbing installations.