Crafted from ABS with and properties, ensuring and during extended use. The unique flat port structure enhances the fit with the exhaust pipe(130mm/150mm diameter), effectively reduces air leakage, improves exhaust efficiency, and ensures smooth indoor air circulation. A flat-out connector designed for window can be easily fixed to window, avoiding external air entering, while keeping room cool and enhancing the user . Suitable for mobile air conditioning window and car air conditioning window exhaust, it can also be used for exhaust , dehumidifiers and other home appliances to meet your needs. The connector is small in size and light in weight, easy to store and carry, suitable for home, and travel.