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. Professional accessory designed to connect the window sealing plate and the air conditioning exhaust hose with a diameter of 13cm or 15cm. Effective air conditioning hose sealing helps reduce energy consumption. A well-structured exhaust ventilation system supports efficient cooling and may contribute to lower electricity usage. Available in multiple sizes; select the appropriate air conditioner hose adapter based on your requirements. Features a serrated bar inside the connection port, ensuring a secure fit with the hose without causing damage. Simply insert the hose slowly into the connector for quick and easy installation. Note: - Actual color may vary slightly 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