[Excellent quality]Using excellent PVC material, it is strong and durable, and will not scratch or damage the windows. [Universal] Window adapter is suitable for every portable mobile air conditioning unit, air lock/hot air stop device, and compatible with most windows; [Quick and easy installation] It is helpful to install/remove tires, especially in low sidewalls and parallel driving. [Applicable] Suitable for exhaust pipe with a diameter of 13CM, easy to install at home or other indoor/outdoor cars; [Advantages] A good air conditioner hose seal can help reduce energy consumption, and a well-structured exhaust ventilation system can save your electricity bill.