The Victaulic SPF C1-C10 4″ Gasket Seal is a high-quality sealing solution designed for grooved pipe couplings, providing essential fire protection for plumbing systems. Made in the United States by the reputable brand Victaulic, this unit is a single piece that ensures a secure and reliable connection for pipes up to 4 inches in diameter. With its durable construction and precise fit, this gasket seal offers a dependable solution for safeguarding against fire hazards in various industrial and commercial applications.