The 6061-40 3-1/2" x 4" Aluminum Nipple by Merit Brass is engineered for optimal performance in plumbing and industrial applications. Constructed from robust 6061 aluminum, it provides excellent resistance to corrosion and wear. This nipple features a standard size that fits seamlessly with various fittings, ensuring a leak-free connection. Its dimensions are designed for versatility, making it suitable for both residential and commercial use. This product adheres to industry standards, guaranteeing quality and reliability.