- Superior Airflow: Constructed from high-quality ABS material, this duct reducer features a robust design that enhances durability and efficiency. Its long-lasting design ensures optimal airflow, delivering consistent performance for your heating and cooling systems. - Enhanced Comfort: Our 90mm to 60mm duct reducer effectively improves airflow, ensuring efficient heating and cooling. Experience optimal comfort while maximizing the performance and energy efficiency of your system. - Easy Assembly: The duct reducer offers a straightforward solution for adjusting the size of your parking heater ducts. No professional skills or specialized tools are required, making installation hassle-free. Stay comfortable and safe during the colder months with this easy-to-use accessory. - Seamless Integration: The user-friendly connection and converter technology of the duct reducer allow for a simple and efficient installation process. This makes it an ideal addition to any heating system, ensuring a reliable and optimal connection for enhanced performance. Applications: 1. Ideal for retrofitting existing heating systems to improve efficiency and comfort in residential settings. 2. Perfect for use in vehicles with parking heaters, optimizing airflow to maintain a comfortable cabin temperature during winter. 3. Suitable for HVAC systems in commercial spaces, enabling effective temperature control and energy savings.