The 1-1/2" x 16" Double Slip Joint Extension Tube is a versatile plumbing component designed for extending drain lines. Made from high-quality materials, this extension tube is resistant to corrosion and suitable for various drainage applications. Its double slip joint design allows for easy adjustments and installation, making it ideal for both residential and commercial plumbing projects. With a standard 1-1/2" diameter, it fits seamlessly into existing plumbing systems, providing a reliable solution for connecting and extending drain lines.