Package content: The package you received includes 2 portable air conditioner window adapters, enough to meet your use and replacement needs, suitable for and high-quality materials: These exhaust hose connectors are made of high-quality Plastic material, which is light in weight but , not easy to break or deform, wear-, reliable and reusable, you can use it with confidence Applicable size: The exhaust hose connector size is about 15 cm / 5.9 inches in diameter, with a square nozzle, suitable for mobile air conditioning exhaust hoses with a diameter of 5.9 inches Practical function: These mobile air conditioner accessories can be used to connect the exhaust hose, and can be easily installed on the back of the portable air conditioner, practical and easy to use Beautiful portable air conditioner accessories: These removable air conditioner exhaust hose connectors can be connected to the exhaust hose and the car window kit panel, which can keep warm air, insects or mosquitoes out of your relaxing space colour: as shown Material: Plastic Package Contents: 2 x Air Conditioner Window Adapter Only the above package content, other products are not included. Note: Light 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.