1Simple And Reliable: Exhaust pipe silencer muffler set is easy to install, reliable to use, replacement for Eberwebasto heater 2Oem Number: Part Number for 251864810100, meet can be used. The inlet pipe is made of aluminum foil, which is air tight, light shading, abrasion resistant, non toxic and odorless 3Durable Material: Made of excellent stainless steel, has sufficient heat resistance and corrosion resistance, extremely durable 4Low Noise: Diesel air heater accessories come with good noise reduction, long life and other characteristics 5Safe To Use: Can be freely expanded during operation and shutdown, so that the exhaust pipe is not subjected to additional load due to the installation of the muffler to ensure the safety and reliability of the exhaust pipe work