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. 1 x Connector 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. 21.5x13x 13.5cm / 8.5x 5.1x 5.3inApplicable Model: General 130mm Diameter Air Conditioning Exhaust Pipe