

The 4" B-Vent Round Adjustable 90 Degree Elbow (part number 4EAL) is a crucial component for creating offsets in venting systems. This versatile elbow allows for adjustment from 0 to 90 degrees, providing flexibility in installation. Compatible with various leading brands, this elbow ensures smooth airflow, enhancing the efficiency of your venting system. With exact measurements of 4", this elbow is used in pairs to navigate obstacles and produce additional offsets.