Amerimax Expandable Solid Drain Pipe, 4 In. x 12 Ft. is a versatile and convenient solution designed for a variety of drainage applications. This solid drain pipe features a flexible and expandable design, making it easy to adjust and extend to your desired length. With a 4-inch diameter and a 12-foot length, it provides ample coverage for your drainage needs. The pipe is engineered to hold its shape after bending, ensuring a steady and consistent flow of water without the need for additional supports or brackets. Tested and by the Corrugated Polyethylene Pipe Association, this FLEX-Drain pipe excellent crush resistance, allowing it to withstand pressure and external forces without collapsing or losing functionality. Model Number: 51710