Advanced Drainage Systems, Inc. (ADS) 3 in. x 10 ft. Triplewall Perforated Drain Pipe is constructed with triple bonded high density polyethylene (HDPE) for exceptional pipe stiffness. With smooth inner and outer walls and a corrugated structural core, it is designed to have superior pipe stiffness to PVC sewer and drain pipe. This drain pipe is ideal for collecting water in foundation or french drain applications, or in a septic leach field to allow effluent water to permeated back into the ground. Triplewall perforated pipe is the preferred choice for residential drainage projects, septic leach fields, and agricultural drain outlets. Color: White. Material: HDPE (High Density Polyethylene).