Features: 1Cool Room Efficiently: This adapter attaches the exhaust hose tightly to your air conditioner unit so in summer or winter this product can cool your room more efficiently in less time. 2ABS Material: Made of ABS materials (non recycled plastic processing) non toxic tasteless light strong durable can be used for a long time. 3Scope of Application: 5 inch portable air conditioner exhaust hose coupleris generally used for the air conditioning exhaust pipe of 130mm diameter. 4No Tools Installation: No tools no drilling required. Connect the exhaust hose for easy installation in portable air conditioners. 5Good Workmanship: fine workmanship makes the products durable not easy to damage and greatly extend the service life. Specification: Item Type: Air Conditioning Exhaust Duct Sealing Plate Flat Mouth InterfaceMaterial: ABSColor: As Pictures ShownWeight: Approx. 145g / 5.1ozThread Diameter: Approx. 130mm / 5.1inProduct Size: Approx. 21.5x13x13.5cm / 8.5x5.1x5.3inApplicable Model: General 130mm Diameter Air Conditioning Exhaust Pipe Package List: 1 x Connector