- Seamless integration: With our Y branch and T branch reducers, the duct reducer enables easy and seamless expansion of pipelines for a variety of pipe diameters, making it the perfect auxiliary heater outlet adapter for any task. - Optimal efficiency: Durable and robust construction in high-quality ABS provides a reliable design for optimal efficiency. - Efficient channel size reduction: Reduces the airflow channel from 90mm to 60mm, delivering hot air more effectively and contributing to improved heating comfort and energy efficiency for your HVAC system. - Easy installation: Designed for auxiliary heating pipes, it can be easily assembled without specialist knowledge or tools, ensuring quick installation and making driving more comfortable and safer in the cold season. - Applications: - Automotive: after-market heater ducting to route warm air to the vehicle cabin. - Residential/Commercial HVAC: connect heater outlets to expand or reconfigure ducting for additional rooms or zones. - DIY/Temporary projects: quick adaptation between duct sizes for portable heating setups.