The LPC 3″ Grooved Pipe Coupling Gasket R20 Fire Protection Sealing Ring K-9 is a high-quality sealing ring designed for use in fire protection systems. Made in the United States by LPC, this unit is specifically modelled as R20 and comes in a quantity of 6. Its grooved design ensures a secure and reliable seal to protect against fires, making it an essential component for industrial and commercial plumbing applications. With its durable construction and proven performance, the LPC sealing ring provides peace of mind in safeguarding critical systems.