Aluminum Adjustable Elbow, 4" dia.x 90 deg.
Aluminum Elbow to be used with rigid metal transition duct, which is recommended by all dryer manufacturers as the best material to use to vent a dryer. Rigid ducting can be installed from both dryer to wall and wall to outside house vent. It is fully adjustable from 0 degree to 90 degree angles and is used to make turns in runs of round pipe.