FLEX-Drain helps you get the job done faster and easier, with professional grade durability and more versatility than traditional corrugated pipe. Flexible, bendable and expandable, FLEX-Drain easily bends around any obstacle, holds its shape during installation and with a simple snap, its integrated soil-tight fittings lock securely and stay connected during backfilling This 4 in. x 25 ft. perforated pipe has spaced slits, so water drains in stages. Ideal for ground water drainage like French drains, dispersing water from flower beds, leach fields or culverts. To avoid clogging the slits, use this pipe where surrounding soil is course and debris is minimal. FLEX-Drain is a complete drainage solution system that's widely compatible with virtually all traditional 3 in. and 4 in. corrugated pipe and 4 in. PVC. Technologically superior, it's made with no-break copolymers and exceeds all applicable ASTM crush standards.. Flexible design ideal for French drain in coarse soil. High-grade copolymer construction for enhanced durability. Easily expands from 6 ft to 25 ft to ensure versatile use. Proprietary peak and valley design offers greater surface area and a 30% higher load-bearing rating than standard corrugated pipe. Easy to install and transport. Perfect for tight spaces and curvy places. Reduces the number of fittings that are needed. Perforated pipe so water drains in stages. Ideal for french drain in coarse soil. Taping joints in not necessary. To avoid clogging the slits, use this pipe where surrounding soil is course and debris is minimal. Complete line of fittings available (not included). <a href="https://www.homedepot.com/b/Amerimax-Home-Products/N-5yc1vZ2cb/Ntk-google/Ntt-4%2Bin.%2BFlex%2BDrain%2BFittings%2Baccessories?NCNI-5&amp;sortby=bestmatch&amp;sortorder=none" target="_blank" style="color:#F96302;">Click here to find compatible parts and accessories!</a>. Color Family: Black. Color/Finish: Black. Corrugated Pipe Features: Perforated. Material: Polypropylene. Maximum Working Temperature (F): 150. Minimum working temperature (F): -50. Pack Size: 1. Pipe or Fitting Product Type: Pipe & Tubing. Product Weight (lb.): 4.7 lb. Nominal Inside Pipe Diameter (In.): 4". Product Length (ft.): 25 ft