Infiltration: 5 cm diameter, 3 m length pipe integrates water absorption, permeability, and drainage; stores rainwater in dry seasons and discharges excess in wet seasons. Filtration: Outer non-woven filter layer and polyester fiber block soil and debris while maintaining water flow, reducing clogging and maintenance. Lightweight: Easy to transport and handle; manual laying improves efficiency; flexible to stretch and bend to desired shape. Connection: Two pipes can be connected directly or with a PVC pipe (not included) for added length; no leakage due to infiltration design. Versatile: Suitable for railways, airports, highways, sports fields, parks, tunnels, retaining walls, roadbeds, and pavement. This reinforced drainage pipe realizes efficient rainwater diversion and soil humidity regulation to avoid waterlogging, and fits home yards, driveways, gardens, retaining walls and construction sites as a comprehensive underground drainage facility., Manufacturer: LYVQZPWLR