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. 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. 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. 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. This outdoor permeable drain pipe is suitable forincluding courtyards, backyards, lawns, gardens, fences, landscapes., Manufacturer: KXCVBNKLJ