1.Excellent permeability, filtration, durability 2.Filament geotextile 3.With PET or ... 800g Non-Woven filament geotextile fabricThe product has excellent permeability, filtration, durability, and can be widely used in railway, highway, ... to form a drain channel, soil mass structural excess liquid and gas efflux.3.Use geotextile to enhance the tensile ... us,thank you! 100g-800g Non-Wove Geotextile,fabric