The Dryer Louvered Vent Connects The Appliance'S Exhaust Port To The External Exhaust Vent To Safely Remove Hot Air During The Dryer Cycle. This Flush-Mounted Vent Is Constructed Of Heavy-Duty Rigid Metal With An Opening That Measures 4" W. The Included Pipe Measures 10" L And Is Fitted With A Back-Draft Flapper. This Accessory Compatible With Several Brands; Check To See If Your Model Number Is Compatible.Replacing This Part Will Require Basic Hand Tools, Minor Disassembly Of The Dryer And Novice Repair Experience. You Must Unplug The Dryer Or Shut Off The House Circuit Breaker For The Appliance Before Installing This Part.