The 4-3/8" Extend-A-Drain Drain Extension Kit is designed to extend existing drain lines efficiently. This kit includes all necessary components for a seamless installation, making it ideal for both residential and commercial plumbing applications. Constructed from durable materials, it ensures long-lasting performance and reliability. The 4-3/8" size allows for compatibility with standard drain systems, while the easy-to-follow instructions make installation straightforward. This extension kit is perfect for renovations or adjustments to existing plumbing setups, meeting industry standards for quality and performance.