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 Suitable for mobile air conditioning window and car air conditioning window exhaust, it can also be used for exhaust fans, dehumidifiers and other home appliances to meet your needs Crafted from ABS with and properties, ensuring and during extended use 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 The connector is small in size and light in weight, easy to store and carry, suitable for home, and travel