Improved hose extension: Use our connector to maximize the cooling capacity of your portable air conditioner. It provides additional working space for your air conditioning exhaust pipe and allows more flexibility for the pipe to pass through the wall or window frame, helping to achieve optimal efficiency. Easy installation: The air conditioning hose connector can be securely screwed into place without the need for professional tools, ensuring a tight fit and helping to reduce energy consumption. Wide application: This portable AC coupler expands installation options for your air conditioning unit. It is compatible with both clockwise and counterclockwise exhaust pipes and offers two pipe size options to fit an outer pipe diameter of 15 cm and an inner pipe diameter of 13 cm, increasing compatibility and performance. Safe connection: Ensures a secure bond between both ends, effectively seals the connection, and allows for the rapid discharge of hot air through the exhaust pipe, enhancing overall air conditioning efficiency. Color: White Material: Plastic Package Contents: 1 x Exhaust Pipe Connector Note: Lighting effects and monitor settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.