The hose connector is made of high-quality materials, offering strength and tightness. It features a flat and smooth design, making it durable, safe, and resistant to cracking, while preventing scratches on the installation surface. This professional accessory connects a window sealing plate to an air conditioning exhaust hose with a diameter of 13cm or 15cm. A properly sealed air conditioning hose can help reduce energy consumption. An efficient exhaust ventilation system supports optimal cooling performance and may contribute to lower electricity usage. Available in multiple sizes, allowing you to select the appropriate air conditioner hose adapter based on your needs. Designed for easy installation, the connector includes a serrated barb at the connection point that securely fits the hose without causing damage. Simply insert the hose slowly into the connector to complete the setup. Note: - Actual color may vary slightly due to differences in monitor displays and lighting conditions. - Please allow a 1-3cm measurement deviation due to manual measurement. Material: Reusable plastic Size: 13cm / 15cm (Optional) Package Includes: 1 x Air Conditioner Exhaust Hose Adapter