Features: 1. Excellent Quality: Suitable for exhaust pipes with a diameter of 13cm/5 inches. Please make sure that this accessory is suitable for your air conditioner before purchasing. The hose joint is made of high-quality ABS material, which has certain strength and sealing. The joint is flat and smooth as a whole, not easy to break, safe and durable, and will not scratch the surface of the installation object, so it can be used with confidence. 2. Enhanced Cooling: It allows warm air to flow back into your space efficiently. Good air-conditioning hose sealing can help reduce energy consumption, make your air-conditioning unit more efficient, and cool your room in a shorter time. 3. Suitable for Portable Air Conditioner Hose: This is a portable air conditioner vent kit, exhaust hose connector kit, durable and cost-effective, long-term use, easy to install and remove. Suitable for various types of portable air-conditioning units. 4. Reduce Hot Air Revenue: Enable the connection to the exhaust hose and the window kit panel. Enabling the connection of the exhaust hose and the window kit panel can keep warm air, insects, and mosquitoes out of your relaxing space. 5. Easy 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. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Material: ABS Size: As the picture shown Color/Style: As the picture shown Weight: 120g includes: 1 x Exhaust Hose Coupler