

The 4" B-Vent 90 Elbow (Part Number: 4M90) is a vital component for efficient venting in your appliance system. This high-quality elbow is designed to provide a seamless 90° bend, ensuring optimal airflow and performance. Compatible with L88-135 and L89-678 models, this elbow is fully adjustable from 0 to 90 degrees, accommodating various installation requirements. Crafted from aluminum flue with a galvanized casing and featuring a hemmed casing and positive twist lock connection with SureLock tab, this elbow guarantees durability and secure installation.