Description Made of high-quality, durable ABS plastic Suitable for air conditioning exhaust pipes with a diameter of 15 cm. A suitable size ensures a better seal. Both ends are equipped with a buckle and a button, which simplifies installation. Prevents debris from entering the exhaust duct and improves air conditioning efficiency. Universal for any window or patio door. Description: 100% brand new and high quality. Features: Material: PVC. Color: Gray. Size (approx.): 15cm x 21.5cm x 7.5cm/5.91" x 8.46" x 2.95' Suitable for exhaust ducts with a diameter of 15cm. Features: [Excellent Quality] Made of premium plastic, it is very durable and will not scratch or damage the window. [Universal] The window adapter works with all portable air conditioners, hot air locks/stops, and is also compatible with most windows. [Quick and Easy Installation] Makes tire installation/removal easier, especially on low sidewalls and flat tracks. [Application] Suitable for 15cm diameter exhaust pipes, easy