If you are looking for a professional and affordable air conditioner window vent kit, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color:White -Material:PVC-Size: 43.00X18.00X1.20cm;/16.90X7.07X0.47in;Adjustment range: 43-140cm- The window seal plate consists of three plates. Adjustable and widely used for sliding glass windows or doors. Upon request, it may not be possible to use all the boards.- Slip each board together and slide to desired length. Lock the screws to complete the installation.- It is suitable for vertical and horizontal sash windows, easy to remove.- Made of PVC material, light and strong. This is an excellent kit for air conditioners.- Unique use of set screws as fixing method. Simply lock with a nut for a solid AC window seal. Not easy to slide.Packing list; 4 x baffles4 x screws1 x adapter1 x roll of tape