1.NotePlease accurately measure the diameter and installation direction of your air conditioning pipe (counterclockwise) before purchasing.2.Warm TipsOur mobile air conditioning pipe has a counterclockwise thread direction.are in two sizes 15cm (outer edge to outer edge) in diameter.Please take accurate measurements before purchasing, so please check if this is correct for your air conditioning system before purchasing.3.High Quality PP MaterialThe drain hose is made of reinforced polypropylene with a built-in high quality steel ring, sturdier than soft material pipes on the market, which has excellent heat resistance and corrosion resistance.4.Easy InstallationInsert the exhaust pipe purchased in the desired length, then align with the connecting pipe, lock into place and rotate the pipe counterclockwise to secure.900gSize: 15cm"5.0 It is a good replacement when the indispensable drain hose of the portable air conditioner is broken.The exhaust pipe easily adjusts to any place you want, flexible at home or in the office, the expandable air conditioner pipe fits any room.