This Dryer Exhaust Wall Elbow allows heat to safely vent from your appliance during the drying cycle. These aluminum 90-degree wall offset elbows measure 4-in D and feature snap-lock fittings and rotating collars. Use this accessory where the outlet pipe in the wall is projecting. This is a bulk 24-pack of exhaust elbows that can be used across several brands; check to see if your model number is compatible. Replacing this part will require no disassembly or repair experience. You must unplug the dryer or shut off the house circuit breaker for the appliance before installing this part.