Versatile T shape and Y shape adapter fits a wide range of duct sizes, making it a practical addition to any car or truck heating setup. 3 Way Splitter Duct Connector features two adjustable valves for precise control of hot air distribution across multiple ducts. Designed for automotive enthusiasts and maintenance professionals aiming to optimize vehicle heating systems. Ideal for vehicles equipped with parking heaters, allowing you to airflows for comfort during cold weather conditions. Key benefits Improves parking heater efficiency by directing warm air where it is most needed. Enables targeted heating for multiple zones, such as front cabin, rear seats, and footwells. Provides precise airflow control with two adjustable valves, allowing quick adjustments as conditions change. Designed for straightforward integration with existing parking heater ductwork in a variety of vehicle types. Specifications and compatibility Type: T shape / Y shape adapter combined with a 3way splitter duct connector. Duct compatibility: supports various duct sizes to accommodate different vehicle configurations. Valves: two adjustable valves for precise hot air distribution control. Use case: intended for vehicles equipped with parking heaters; suitable for automotive enthusiasts and maintenance professionals seeking to optimize heating performance. Use scenarios Scenario 1: In a compact car on a cold morning, connect the adapter to the parking heater to route warm air to the cabin vents and footwell, improving overall comfort quickly. Scenario 2: In a larger SUV or pickup, use the 3way splitter to distribute heat between front and rear zones, balancing cabin temperature for all passengers. Scenario 3: As a maintenance or tuning tool, configure different duct layouts and valve positions to evaluate airflow and heat delivery for optimized heating system setup.