The Vevor diesel heater pipe duct vent kit is a durable warm air outlet set designed to help distribute heated airflow more efficiently. It includes a Y-branch connector, two air ducts, directional adapters, and clamps for a flexible installation. The 90° adjustable valve allows you to direct airflow where needed for better heating control. Built from polypropylene, TPE, and aluminum foil materials, it is made for long-lasting use with compatible diesel heaters.