Nominal outside diameter: 50mm Wall thickness: 2mm Length: 4m PVC pipe (Polyvinylchlorid), main composition is polyvinyl chloride, add other compositions to enhance thermal resistance, toughness and ductility. Widely used both at home and abroad. PVC-U pipe has longer service life and better corrosion resistance than cast iron pipe. In addition, it's lighter in weight and easier to install. Image brand PVC-U pipes and fittings PVC-U drainage pipe fittings meet the national standard GB/T5836.1-2006 and GB/T5836.2-2006. Something about price: Our products will fluctuate with the price of raw material and the MOQ. And we can manufacture special specification as customer requested Normal packing