The Webasto 1320355A 90mm adjustable air vent outlet is designed to efficiently control and direct airflow in vehicle heating systems. Featuring a closable flap mechanism, it allows you to regulate or completely shut off the hot air flow as needed. Manufactured from durable and heat-resistant materials, it ensures reliable and long-lasting performance even under continuous use. Compatible with Webasto, Eberspacher, and other air heater systems, this 90mm vent is ideal for trucks, caravans, motorhomes, boats, and commercial vehicles. Its compact design and easy installation make it a practical and efficient solution for both professional and personal applications.