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 achieve optimal efficiency. Easy installation: The air conditioning hose connector can be easily screwed into place without the need for professional tools, ensuring a secure fit and helping reduce energy consumption. Wide application: Use our portable AC coupler to expand installation options for your AC unit. Compatible with both clockwise and counterclockwise exhaust pipes, and available in two sizes to fit outer pipes of 15 cm and inner pipes of 13 cm, increasing compatibility and performance. Safe connection: Ensures both ends are securely attached, effectively isolates hot air, and enables quick discharge through the exhaust pipe, enhancing overall air conditioning efficiency. Color: White Material: Plastic Package Contents: 1 x Exhaust Pipe Connector Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.