Note] - Please accurately measure the diameter and installation direction (counterclockwise) of your air conditioning hose before purchasing. [The thread direction of our mobile air conditioning hoses is counterclockwise. Air conditioning hoses are available in two sizes, with a diameter of 15 cm (from one outer edge to the other). Please take accurate measurements before purchasing to ensure that this hose is suitable for your air conditioner before purchasing. Universal] - The exhaust can be used on a wide range of portable air conditioners from well-known brands with a diameter of 15cm (outer edge to outer edge), please measure and compare the accessories of your portable air conditioner before purchasing. Specification - 2Mx15cm (max. shrink length x diameter) 【High-quality PP material】- The exhaust hose is made of reinforced polypropylene with a high-quality built-in steel ring, which is more stable than soft material hoses on the market and has good heat resistance and corrosion