The 1-1/2" MPT x 4" Dielectric Nipple from Braxton Harris is designed to prevent galvanic corrosion in plumbing systems. This nipple features male pipe threads (MPT) on both ends, allowing for easy installation in various applications. The 4" length provides flexibility in connecting different plumbing components. Made from high-quality materials, this dielectric nipple ensures durability and compliance with industry standards. Ideal for use in both residential and commercial plumbing, it effectively separates dissimilar metals, enhancing the longevity of your plumbing system.