

Upgrade your ventilation system with the 4" B-Vent Round Pipe Length 18" (Part Number: 4E18), capable of withstanding high temperatures and promoting efficient airflow. This pipe, with a size of 4" and a length of 1-1/2', features a durable construction of an aluminum inner liner and galvanized steel outer material, ensuring longevity and stability. The pipe boasts an outside diameter approximately 1/2" larger, providing better air circulation. It has a sectional overlap of 1" and offers easy assembly with a snap lock coupling.