Features: 1. The hose connector is made of high-quality materials, providing strength and tightness. The connector is flat and smooth, not easily broken, safe and durable, and will not scratch the surface of the installation object. 2. Professional accessory designed to connect the window sealing plate and the air-conditioning exhaust hose with a diameter of 13cm or 15cm. 3. Proper sealing of the air conditioning hose can help reduce energy consumption. A well-structured exhaust ventilation system supports efficient cooling and may contribute to lower electricity usage. 4. Available in multiple specifications; select the appropriate air conditioner hose adapter based on your requirements. 5. Easy to install: The connection port features a serrated bar that securely fits the hose without causing damage. Simply insert the hose slowly into the connector for immediate use. Notice: - Actual color may vary slightly from the image due to differences in monitor settings and lighting conditions. - Please allow 1-3cm variation due to manual measurement. Material: Reusable plastic Size: 13cm / 15cm (Optional) Package Includes: 1 x Air Conditioner Exhaust Hose Adapter