[Universal Window Exhaust Adapter Tube Connector] - Our Window Vent Kit Plate Window Gasket Is Suitable For All Portable Air Conditioners And Clothes Dryers. It Is Also Compatible With Most Maximum Length Windows. Whether It'S Crank Or Casement Windows, You Can Easily Install Your Exhaust Bracket.[Improve Cooling Performance] - Portable Window Kit Seals Around Your Window, Then Zips Around Of Your Pipe That Directs Your Ventilation To The Outdoors. With This Great Idea, Your Room Can Be Cooled In Less Time And The Unit Creates Great Cooling Performance For You.[Quick And Easy Installation] - This Window Duct Adapter Was Used To Connect The Exhaust Pipe And Window Kit Plate. It Is Very Easy To Install Without An Engineer, Saving You Time And Money.[Energy Efficient And Reliable] - The Window Seal Exhausts Hot Air From Your Room Through The Pipe From Your Mobile Air Conditioning Unit By Locking The Pipe Between The Window Frame And The Window Casement. Thus Increasing The Efficiency Of The Equipment.[High Material And Dimension] - This Exhaust Duct Adapter Kit Is Made Of Pvc Material. Durable And Environmentally Friendly; Size 15: 15 X 21.5 X 7.5 /5.91" X 8.46" X 2.95". Size 13: 13 X 21.5 X 7.5 /5.12" X 8.46" X 2.95". To Allow Connections To Exhaust Pipe And Window Kit Plate.