

The 4" x 6" B-Vent Adapter (Part Number: 4M6A) is a crucial component that ensures efficient ventilation systems in your appliances. This adapter is designed to facilitate seamless airflow, measuring 4" in size and 1/2' in length. Listed and tested to UL 441 standards, it features an aluminum flue with a galvanized casing and a positive twist lock connection for secure installation. Count on us for expert guidance and top-quality parts.