Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Made of PVC material, light and strong, high temperature resistance, free stretch and length adjustment. Height Adjustment Range: 55-160cm/21.65-63inch. Suitable for various types of portable air-conditioning equipment.4.Used to install mobile air conditioners to prevent hot air from entering, thereby improving the efficiency of air conditioners .5.Slot each plate together and slide it to the desired length. Lock the screw to complete the installation. Works with both vertical and horizontal sash windows and easy to remove.6.Package including: 2x Fixing Plate 1x Adjustable Plate 1x Hose Adapter 2 set x Screws.Specifications:Material: PVCColor: GraySize:Adjustable Plate: 55x10cm/21.65x3.93inch (LxW)Aperture: 7.5x20cm/2.95x7.87inchHose Adapter: ID:13cm/5.11inch OD:13.4cm/5.27inch21.5x13.3cm/8.46x5.24inch (LxW)Inner panel size: 55x10cm/21.65x3.94inch (LxW)Fixing Plate: 55x9.4cm/21.65x3.7inch (LxW)Height Adjustment Range: 55-160cm/21.65-63inchApplicable Hose Adapter: 13cm/5.12inchWeight: 895g Package include:2x Fixing Plate1x Adjustable Plate1x Hose Adapter 2 set x Screws