Perforated exhaust pipe: thanks to the spiral steel wire reinforcement it combines flexibility with excellent tensile strength. Sturdy for long time use and heavy loads but easy to fold and install. FILTER LAYER - An integrated non-woven filter effectively blocks gravel and sediment maintaining a continuous water flow. Designed for clog free operation and low maintenance. Drainage Management: Effectively absorbs stores and drains water. Helps retain moisture in drought conditions and quickly diverts excess rainwater during thunderstorms preventing flooding and soil contamination. Easy to expand and connect: you can directly connect two permeable hoses to increase the length or use PVC pipes to connect (PVC pipes are not included). Because its function is penetration there is no need to worry about leakage. When installing mark the installation route vehicles are prohibited. Multi-application: suitable for residential yards driveways gardens patios green areas retaining walls and industrial construction sites. A versatile drainage solution for effective flood control. Our permeable pipes can resolve issues such as waterlogging and blockages caused by silt and sediment