Improved hose extension: Use our connector to maximize the cooling capacity of your portable air conditioner. It creates more working space compatible with your air conditioning exhaust pipe and provides more space compatible with your pipe to pass through the wall or window frame, thus achieving the highest efficiency.Easy installation: The air-conditioning hose connector can be easily screwed in place without professional tools to a close fit, thus reducing energy consumption.Wide application: Use our portable AC coupler to expand the installation possibility of your AC device. It is perfectly matched with clockwise and counterclockwise exhaust pipes, and there are two pipe sizes to choose from, so as to adapt to 15 cm outer pipe and 13 cm inner pipe, which increases compatibility and improves .Safe connection: that the two ends are firmly connected, effectively isolate and quickly discharge hot air through the exhaust pipe, and improve the efficiency of air conditioning.Colour:WhiteMaterial:plasticPackage Contents:1 x Exhaust pipe connectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.