Features: 1. The hose connector is made of high-quality materials, providing strength and tightness. The connector is flat and smooth, durable, and safe to use without scratching the surface of the installation object. 2. Professional accessory designed to connect a window sealing plate and an air-conditioning exhaust hose with a diameter of 13cm or 15cm. 3. Proper sealing of the air conditioning hose helps reduce energy consumption. An efficient exhaust ventilation system supports optimal cooling performance and may contribute to lower energy usage. 4. Available in multiple sizes to suit different needs. Choose 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 displays and lighting conditions. - Allow 1-3cm variation due to manual measurement. Material: Reusable plastic Size: 13cm / 15cm (Optional) Package Includes: 1 x Air Conditioner Exhaust Hose Adapter