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. Professional accessory designed to connect the window sealing plate and the air conditioning exhaust hose with a diameter of 13cm or 15cm. Good sealing performance helps reduce energy consumption, and an efficient exhaust ventilation system supports optimal cooling performance, potentially lowering electricity usage. Available in multiple sizes; select the appropriate air conditioner hose adapter based on your needs. Features a serrated barb at the connection port for 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. - Please allow 1-3 cm deviation due to manual measurement. Material: Reusable plastic Size: 13cm / 15cm (Optional) Package Includes: 1 x Air Conditioner Exhaust Hose Adapter