Hard Permeable Seepage Perforated Bellows Blind Pipe Drain Filtering Pipe Product Item：FG-80 Application:Retaining walls; highway and railway,Tunnels and underpasses, etc. Thickness:2-20mm Connection:Soft Connection Raw material:HDPE Seepage Pipes Perforated Bellows Blind Pipe , PP Greening Seepage Pipe , New Seepage Pipes Inquiry Send Email
