This product is extended in the mobile air conditioning exhaust pipe. It is suitable for the extension of the 150mm air exhaust pipes. Both left and right handed can be used Using this connector to extend the exhaust duct no longer needs to distinguish between left-handed and right-handed. Left-handed and right-handed can be used. One left-handed and one right-handed can also be connected Universal Clockwise Counterclockwise threaded coupler connects to a threaded hose. Regardless of the direction of rotation, universal linker No need for duct taping, Screw on, screw off. Secure fit on 5-inch tubes with no leak. Measure your tube before buying. The inner diameter does not take the thread into consideration and is the maximum diameter of a compatible tube. Measure your tube before buying. No need for duct taping, Screw on, screw off. NOT meant for clothes dryers/3d-printed. Product Name: Portable A/C AC Air Conditioner Exhaust Hose Coupler colour:gray Material:plastic size:10.2*15.7cm Package Contents: 1*Thread Coupling Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.