The hose connector is made of high-quality materials, providing strength and tightness. It features a flat and smooth design, making it durable, safe, and resistant to breaking, without scratching the surface of the installation object. This professional accessory connects the window sealing plate and the air conditioning exhaust hose with a diameter of 13cm or 15cm. Proper sealing of the air conditioning hose helps reduce energy consumption, and an efficient exhaust ventilation system supports optimal cooling performance, potentially lowering electricity usage. Available in multiple sizes, allowing you to select the appropriate air conditioner hose adapter based on your needs. Features a serrated barb at the connection point between the connector and hose, ensuring a secure fit without damaging the hose. Simply insert the hose slowly into the connector for quick and easy installation. Note: - 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