This Dryer Exhaust Wall Elbow Allows Heat To Safely Vent From Your Appliance During The Drying Cycle. This Is A Universal Part That Can Be Used Across Several Brands; Check To See If Your Model Number Is Compatible. The Aluminum 90-Degree Wall Offset Elbow Measures 4" D And Features Snap-Lock Fittings And Rotating Collars. Use This Accessory Where The Outlet Pipe In The Wall Is Projecting. 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.