1. Efficient Hose Extension: Make the most of your portable AC with our coupler. Pass through walls or window for effective hose extension, providing a exhaust hose usage space and boosting coolinging efficiency. 2. Beautifully Crafted: Upgrade your air hose connection game with our Portable AC Coupler made from high-quality ABS material. It's reliable and , ensuring a seamless airflow experience every time. This tough and coupler 't break or deform, offering long-term use without compromise. 3. Convenient Solution: Save time and energy with our Portable AC Coupler. Effortlessly connect your air conditioning hose by screwing on the connector, without any need for professional tools. Enjoy rapid coolinging and lower energy consumption. 4. Wide Application: Simplify the process of connecting your portable AC unit with our easy-to-install Portable AC Coupler. Fitting both clockwise and counterclockwise exhaust pipes and designed with outer and inner pipe sizes of 15cm and 13cm