4" 6" 8" 12" Various Size C900 PVC Pipes NSF C900 Plumbing US$0.23-14.00 / Meter 12 Inch Diameter Plastic Water Plumbing C900 NSF UPVC Pipe with Gasket US$0.23-14.00 / Meter PVC Borehole Water Well Casing Tube Thread Split-Casing Pipe for Drink Well W...