Our flexible soft permeable pipe features an anti-corrosion spring steel skeleton enveloped in non-woven geotextile and a polymer fiber braid. This robust yet pliable structure delivers exceptional water permeability, filtration, and drainage while preventing mud and sand infiltration. Ideal for subsurface drainage in roadways, tunnels, retaining walls, sports fields, rooftop gardens, and environmental restoration projects. Lightweight, durable, and easy to install, offering a cost-effective and long-lasting geotechnical drainage solution.