Features: Crafted from ABS with heat resistant and anti aging properties, ensuring performances and safety 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 the window, avoiding external air entering, while keeping room cool and enhancing the user experience. 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 diverse needs. The connector is small in size and light in weight, easy to store and carry, suitable for home, office and travel. Specifications: Material: ABS Adapter Size: Approx. 10.24x9.06inch(26x23cm) Package Includes: 3 Optional Package: A: 1x Exhaust Pipe Flat Connector Or B: 1x Exhaust Pipe(130mm Diameter) + 1x Exhaust Pipe Flat Connector Or C: 1x Exhaust Pipe(150mm Diameter) + 1x Exhaust Pipe Flat Connector note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.