The 1-1/4" Insulator Sleeve for Dielectric Union by Braxton Harris is designed to prevent galvanic corrosion in plumbing systems. Made from durable materials, this sleeve ensures a reliable barrier between dissimilar metals, enhancing the longevity of your installations. With a precise fit for 1-1/4" unions, it meets industry standards for performance and safety. Ideal for residential and commercial applications, this insulator sleeve is essential for maintaining the integrity of your plumbing system.