Wide Compatibility: The portable air conditioner window vent kit includes of 4 plates, 43cm (16.9 inches) for each. The adjustable length of this portable ac window kit is from 17 inches to 60 inches, which is suitable for most windows. Suitable for all portable air-conditioning exhaust hoses with a diameter of 5.9 inches. Good Sealing: The window sealing plate isolates the hot air, prevents the hot air from returning, keeps the room cool, and effectively reduces power consumption. Easy to install: The window ac vent kit has a novel slide rail design, easy to slide the sealing plate, no need for additional tools, and easy to install and disassemble. Durable material: Our window vent kit is made of durable PVC material, which is lightweight and easy to carry. It is very convenient to install and disassemble, which is perfect for home and office use. Pay attention to matching the size of the air-conditioning exhaust pipe. Color: white Material: PVC Size:panel: 43x15.5cm Coupler diameter: 5 inches / 13 cm Minimum length: 27 inches / 68 cm Expandable length: 60 inches / 153 cm Package Contents: Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.