[NEW DESIGN COUPLER suitable for 2022]This portable AC window kit comes with a 2-in-1 coupler that is compatible with 12.7cm A/C exhaust hose (whether clockwise or counterclockwise) and 5.9inch (. 12.7 cm) Exhaust Hose (Counter Clockwise/Left Thread Hose Only). Perfect suitable for /Mcquay/////// and other AC accessories [Sliding Window]: This portable AC window ventilation kit is equipped with 4 panels, using rail design, easy to slide the sealing plate, and adjust the length of the panel combination with nuts. Single panel length is 16.9inch (42.9cm), combined extension length range is 16.9inch (42.9cm) - 60inch (152.4cm), fits most vertical and horizontal sliding , you can use 2 panels, 3 1 panel or a combination of 4 panels to fit the size of the window [Good sealing]: Equipped with a sealing tape with a length of 4 meters, which is attached to the connection between the window and the board to achieve a good sealing effect, effectively isolate the hot air, and make your mobile air conditioning unit work more efficiently, Cool your room in a short time and save electricity [Long-lasting]This AC vent set is made of high quality material, which has better high temperature resistance, can withstand long-term thermal airflow and summer sun, anti-aging, can be used year after year. Easy to install and remove, no tools required, space saving, can be used in home or office color:As shown Material:plastic Package Contents: 2 x 43cm/16.9inch outer panels 2 x 43cm/16.9inch inner panels 1 x 2-in-1 New Exhaust Hose Adapter (5.0inch /13cm inside, 5.9inch /15cm outside) 1 x Sealing Tape 10ft 5 x thumb screws 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.