This Dryer Exhaust Duct allows heat to safely vent from your appliance in tight spaces during the drying cycle. The venting system allows the wall vent to protrude up to 2-1/2" without having to be trimmed. This is a universal kit that can be used across several brands; check to see if your model number is compatible. This kit includes (1) 4' L vent section that attaches to a close elbow, (1) 4' vent section that attaches to a wall offset and (1) extension collar. The total length of these accessories is 8'; additional vents can be snapped in between these sections to create longer runs.Installing these accessories 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. Recommended Item: Additional Exhaust Duct Extensions (item 4396009RP) are also available for purchase.