●【Wide Compatibility】The connector with 150mm male and 130mm female thread is suitable for all portable air conditioners with a diameter of 5.1 inches (130 mm) and 5.9 inches (150 mm) ●【Enhanced Cooling】 After connecting the exhaust hose to the window, you will not get hot air, insects, mosquitoes from outside in a cool room ●Easy Installation: No tools or drilling required. Connects to exhaust hose, easy to install on the back of portable air conditioner Simple and convenient ●[Product Specifications] Material: ABS; Weight: about 100g; Thread Diameter: 150mm/5.91in; Female Thread Diameter: 130mm/5.12in; Product Size: 14.5x14.5x19.8cm/5.71x5.71x7.80in ●Quality Assurance: We inspect all our products before shipping. If there is a defective item due to manufacturing reasons, please contact us. We will try our best to solve your problem