Exhaust port is suitable for all portable air conditioners. As long as you use the same rubber hose, the diameter of the connector. The outer rim (rim to rim) is 13/15 cm in diameter and its threads turn counterclockwise. Easy to Install Gently extend the exhaust pipe, meet the existing pipe, for align the two ends, turn clockwise until it snaps into place, easy to install. Applicability It is very suitable for when the air conditioner can still work normally, but the key ventilation pipe has been broken and needs to be replaced. Sturdy The duct is made of polypropylene, which is flexible, and portable, a good alternative to prevent air conditioner leaks when a basic exhaust duct breaks. Flexible expansion and contraction the exhaust pipe can be retracted, shortened to 32/42cm, and can be extended by 150/200cm, which is convenient to extend the length of the exhaust pipe to suit any place., Manufacturer: SMTYXS