Tip] Our mobile air conditioning hoses are threaded counterclockwise. The air conditioning hoses are available in two sizes with a diameter of 13cm. Please take accurate measurements before purchasing, so make sure it is the right size for your air conditioner before purchasing. 【High-quality PP material】The drain hose is made of reinforced polypropylene with a built-in high-quality steel ring, which is more stable than soft material hoses on the market and has good heat and corrosion resistance. It is a great alternative when the drain hose of the essential mobile air conditioner is cracked. 【Good ductility】 The mobile air conditioner hose is expandable and can be shortened to 30cm and extended to 150cm, making it easy to extend the drain hose to the desired location, flexible at home or in the office, the expandable air conditioner hose fits any space. [Easy installation] Extend the purchased drain hose to the desired length, then align the connecting hose, snap it in, and turn the