Wide range of diameters and threads: this product fits most brands of portable air conditioners, it is important to check the base diameter (5.9 inches) and thread direction (counterclockwise) to confirm it matches your device. Flexible length adjustment: the exhaust tower has a flexible design and can be extended to 80 inches in length. there is no need to worry about the size of the space. it can easily adapt to various room situations and ensure that air emissions are not easily far away from the living space. Materials: made of multi-layer and stainless steel, it can not only withstand extreme temperatures from -30 to 140, it is safe, non-toxic and has no odor, ensuring environmental friendliness. Easy installation: installing this exhaust top is incredibly easy. simply connect the top end to the exhaust port of the air conditioner and rotate it counterclockwise to secure it. installation is quick, requires no additional tools, and is convenient and fast. The perfect stand for summer: with this durable exhaust stand, it can effectively and efficiently breathe hot air, keeping your room cool and comfortable even in the scorching summer heat. the best choice for your summer stand, enjoy it every day., Manufacturer: WAFOHSR