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, while preventing scratches on the surface of the installation object. This professional accessory connects a window sealing plate to an air conditioning exhaust hose with a diameter of 13cm or 15cm. A well-sealed air conditioning hose can help reduce energy consumption. An efficient exhaust ventilation system contributes to lower electricity usage under a properly functioning cooling system. Available in multiple sizes, allowing you to select the appropriate air conditioner hose adapter based on your needs. 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. - Please allow a 1–3 cm measurement deviation due to manual measurement. Material: Reusable plastic Size: 13cm / 15cm (Optional) Package Includes: 1 x Air Conditioner Exhaust Hose Adapter