The 1-1/2" Dielectric Union Washer from Braxton Harris Co Inc is designed to prevent galvanic corrosion in plumbing systems. This essential component is made from durable materials that ensure longevity and reliability. It features a size of 1-1/2 inches, making it suitable for various applications in residential and commercial plumbing. The washer effectively separates dissimilar metals, thus protecting your piping system from corrosion-related damage. Ideal for use in water supply lines, it complies with industry standards for safety and performance.