1. The hose connector is made of high-quality materials, which has a certain strength and tightness. The connector is flat and smooth as a whole, not easy to break, safe and durable, and will not scratch the surface of the installation object.2. Professional accessories: a connector used to connect the window sealing plate and the air-conditioning exhaust hose with a diameter of 13cm/15cm.3. Advantages: Good air conditioning hose sealing can help reduce energy consumption, and a well-structured exhaust ventilation system can save your electricity bill under an efficient cooling system.4. There are a variety of specifications to choose from, you can purchase the corresponding air conditioner hose adapter according to your needs.5. Convenient installation: There is a serrated bar in the connection port between the connector and the hose, which can perfectly fit the hose without scratching the hose. Just put the hose into the connector slowly and it can be used after installing. Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: Reusable plasticSize: 13cm/15cm(Optional)includes:1 x Air Conditioner Exhaust Hose Adapter Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!