Designed for use with parking heaters, the 60 to 90 reducer attachment allows for seamless connection between different hot air pipe sizes. The plastic deceleration valve plays a crucial role in controlling the speed and pressure of the airflow, ensuring consistent and efficient heating. Its lightweight yet sturdy design makes it a practical choice for automotive heating systems. Features -Color:Black -Material:Plastic -Size:9.70X9.70X5.80cm/3.81X3.81X2.28in -Diameter of both ends: 60mm, 90mm -Easy connection: the simplifies the process of connecting ducts of different sizes, ensuring a secure and stable fit -Heatresistant plastic: made from robust plastic, this can handle high temperatures, providing reliable performance over time -Improved efficiency: it reduces air resistance, enhancing the overall efficiency of the heating system -Protective buffering: the plastic material's buffering properties help to protect the heating equipment and ducting from highspeed airflow damage -Multivehicle use: designed for use in multiple vehicle types, this is a practical and versatile solution for heating duct connections Package list: 1 x heating adapter