The BK Mueller 888-559 is a durable and dependable stem, boasting an overall length (OAL) of 18 inches. This stem is meticulously designed with top-notch materials to ensure long-lasting performance and reliability. It’s versatile for a broad range of plumbing applications, embodying BK Mueller’s dedication to versatility and innovation. The BK Mueller 888-559 18" OAL stem is a superb choice for both professional plumbers and DIY enthusiasts, offering a blend of reliability and quality. Please ensure to check compatibility with your system before purchase.