Humanize Design - The air conditioning chappement hose connector is the best solution for lengthening the air conditioner hose. Thus, you can easily connect your portable AC hose/power unit to a window/wall outlet. Suitable for 15 cm. Matriau portable air outlet of superior and durable quality The scoop pipe extender is made of high quality ABS and PLA plastic. The portable AC chapping extension is resistant to wear due to its solid but flexible construction. The materials used also react heat modre. Universal thread directionThe portable air conditioner chapping pipe fittings are installed with a new universal thread design. You can turn it clockwise and counterclockwise to establish a connection. Compatible with portable 13 cm or 15 cm diameter pipes. Limitute connections - If the screeching pipes of your air conditioner are not enough, you can connect more than two 15 cm chapping pipes and use multiple 15 cm connections.