The 60 to 90 reducer attachment is a versatile component for parking heaters, enabling the connection of hot air pipes with different diameters. This plastic deceleration buffer valve is engineered to minimize airflow resistance, enhancing the overall performance of the heating system. Its user-friendly design ensures quick and easy installation, making it suitable for various applications. Features -Color:Black -Material:Plastic -Size:9.70X9.70X5.80cm/3.81X3.81X2.28in -Diameter of both ends: 60mm, 90mm - : the adapter allows for a smooth transition between different duct sizes, making installation and efficient -Robust plastic: crafted from plastic, this adapter is built to withstand high temperatures and extended use -Optimized airflow: it reduces air resistance, ensuring smooth and efficient airflow through the heating system -Damage prevention: the buffering effect of the plastic material helps to protect the heating equipment and ducting from potential damage -Versatile compatibility: suitable for a variety of vehicles, this adapter is an essential accessory for connecting heating ducts in different applications Package list: 1 x heating adapter