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 clearance 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 easily screwed into place without the need for professional tools, ensuring a secure fit and helping reduce energy consumption. Wide application: This portable AC coupler expands installation options for your AC unit. It is compatible with both clockwise and counterclockwise exhaust pipes and offers two pipe size options to fit outer pipes of 15 cm and inner pipes of 13 cm, increasing compatibility and performance. Safe connection: Ensures a secure attachment between both ends, effectively isolates airflow, 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: 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.