Material: Cast Iron Length: 10' Diameter: 1-1/2", 2", 3", 4", 5", 6", 8", 10", 12", 15" Packing: Wood Pallet Packing Coating Of External: Pitch Paint Coating Of Internal: Pitch Paint, Epoxy Pitch Paint(Recommend) Advantage: Internal Epoxy Coating Will Improve The Corrosion Resistance. Our Advantage: Supply Full Set Roof Drainage And Floor Drainage Products In 1 Stop. Include Cast Iron Soil Pipe And Fittings, Flexible Coupling, Heavy-Duty Coupling, Roof Drain, Roof Outlet, Retrofit Roof Drain, Floor Drain, Area Drain, Floor Sink, Downspout Boots, Downspout Nozzle And Flange, Fasteners, Plumbing Hangers, Riser Clamps, Deck Screws, Stress Plates And Reciprocating Saw Blades.