1. The hose connector is made of high-quality materials, providing a certain level of strength and tightness. The connector is smooth and flat overall, not easily broken, safe, and durable, without scratching the surface of the installation object. 2. Professional accessory: A connector designed to join window sealing plates and air-conditioning exhaust hoses with diameters of 13cm or 15cm. 3. Advantages: Proper sealing of the air conditioning hose can help reduce energy consumption, and a well-structured exhaust ventilation system contributes to lower electricity bills through an efficient cooling system. 4. Multiple specifications are available, allowing you to choose the appropriate air conditioner hose adapter based on your needs. 5. Easy installation: The connection port between the connector and the hose features a serrated bar that fits the hose securely without causing damage. Simply insert the hose slowly into the connector for immediate use. Notice: 1. Actual color may vary slightly from the image due to differences in monitor display and lighting effects. 2. Please allow a 1-3cm deviation due to manual measurement. Material: Reusable plastic Size: 13cm / 15cm (Optional) Includes: 1 x Air Conditioner Exhaust Hose Adapter