Features:Safe, durable, corrosion-resistant and wear-resistant.Very suitable for parking air diesel- heaters.High-quality replacement parts.Exhaust pipe drum type : straight drum. Internal structure: straight line.Directly replace the old or broken ones, easy to install.Specifications: Material:MetalSize:Approx.60cm/23.62inchSize:Approx.120cm/47.24inchSize:Approx.150cm/59.05inchPipe Inner Diameter: 2.5cmColor:SilverPackage Includes: 1x Heater Exhaust Pipe2x ClipsNote: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings.