The Uponor 1" Propex Expansion x 1" Female NPT Brass Adapter LF4571010 is a straight adapter made of brass, with a diameter of 0.5-1.0 inches and a length of 7 inches. It is designed for use with Uponor plumbing systems and is compatible with the LF4571010 model. This adapter is manufactured in the United States and comes in a pack of 1, making it a convenient and durable addition to your plumbing hardware collection. Its high-quality brass construction ensures reliable performance and long-lasting durability.