Do it Female Union Compression Adapter is a reliable and durable fitting designed for connecting O.D. tubes to female pipe threads. Crafted from high-quality brass, this adapter is manufactured with a strict lead content limit of no more than 0.25% weighted average on wetted surfaces, ensuring safety and compliance with regulations. Each adapter is conveniently packaged on a card and comes in various sizes to meet your specific plumbing needs, including 1/4" x 1/4", 3/8" x 3/8", and 1/2" x 1/2", among others. Its robust construction and precise sizing make it an i choice for both residential and commercial applications, providing a secure and leak-resistant connection. Model Number: 458267