Feature: 1. Durable: It has the advantages of high temperature resistance, not easy to age, safe and non polluting. It is easy to carry, light in weight, easy to install and disassemble, and has a long service life. Once installed, it is very sturdy and perfect for home and office use. 2. Universal: This window sealing tool is specially designed for portable air conditioners. Suitable for all brands of portable air conditioners. Wide compatibility. 3. Adjustable: The air conditioner window assembly can be installed vertically on all sliding windows or horizontally on sliding windows, and can be combined according to the size of the window. Adjustable length range is 16.9 to 55in. 4. Better Sealing: The window sealing plate is embedded in the window rail and clamped, and the sealing effect is good. Effectively isolate the hot air outside the window. 5. Keep Cool: Preventing warm air from circulating in your room, keeping your room cool all the time, no air conditioner leakage, and effectively reducing power consumption. Specification: Item Type: Air Conditioner Window Kit Material: PVC Gross Weight: 810g / 28.6oz Diameter: 18.7x7.5cm / 7.4x3.0in Length Adjustment Range: 43-140cm / 16.9-55.1in Width: 10cm / 3.9in Applicable: Suitable for air conditioning exhaust pipes with a diameter of 18.7x7.5cm. Package List: 4 x Baffle4 x Screw4 x Washer4 x Nut