PVC duct is a great choice for industrial applications that require handling corrosive fumes, exhaust, or drainage. PVC is resistant to many chemicals and is corrosion resistant as well. It is light weight and easy to handle and install. For more info give us a call or request a quote! Size: 16", Material: PVC, O.D.: 16.000", Wall: .187", Std Length: 10 or 20 ft. Standards: ASTM D1784