The 4" X 3" Schedule 40 304/304L Welded Stainless Steel Nipple from Merit Brass features a robust construction suitable for high-pressure applications. This nipple is designed with NPT (National Pipe Thread) and square ends for versatile installation options. Made from 304/304L stainless steel, it offers excellent corrosion resistance and durability, making it ideal for both industrial and commercial plumbing systems. With a length of 4 inches and a diameter of 3 inches, it meets ANSI standards for quality and performance, ensuring a reliable connection in various piping systems.