Designed for versatility, this reducer coupler is compatible with a wide range of piping systems, making it an indispensable tool for any heating or ventilation project. Its great plastic construction ensures a secure and leak-free connection, while its streamlined design allows for easy installation. great for use in car heaters, parking heaters, and ventilation ducts, this reducer ensures efficient and reliable performance. Features -Color:Black -Material:Plastic -Size:9.70X9.70X5.80cm/3.81X3.81X2.28in -Note: 60-90 mm -Efficient heat distribution: the design of the reducer ensures effective heat transfer, quickly channeling hot air to the heater and improving overall heating efficiency -Precise airflow management: the builtin buffer valve allows for accurate control of hot air flow, ensuring a stable and consistent heating process -Broad applicability: compatible with a variety of parking heaters, this product can be used in different settings such as cars, trucks, and boats, meeting various requirements -Robust and durable: crafted from great plastic, it is resistant to wear, ensuring a use and reliable performance -Simple installation process: the product features a userfriendly design that allows for quick and easy installation without the need for tools or expertise Package list: 2 x piping reducer