The 3" x 4" Black Nipple from Boshart Industries is engineered for strength and reliability in plumbing applications. Made from high-quality black steel, this nipple features standard NPT threads for easy installation and compatibility with various fittings. Its robust construction ensures durability and resistance to wear, making it suitable for both residential and commercial use. The black finish not only enhances its aesthetic appeal but also provides protection against corrosion. Perfect for water supply systems, HVAC installations, and more, this nipple is a dependable choice for any project.