COUNTER CLOCKWISE UNIVERSAL COUPLING: Our AC exhaust hoses have a counter clockwise thread orientation, so make sure to check if this fits your AC before buying. Our AC hose is 5.9 inch diameter and 1.5m/59 inch length, which means it can fit most portable air conditioners on the market.DURABLE: The Window Ventilation Kit for Portable Air Conditioning Units consists of four panels and is made of durable PVC material with a recommended maximum extension length of 162 cm/64 inches, lightweight, portable and suitable for home or office use.Good sealing: With processing tape, it is attached to the connection between the sliding door and the sealing board, which can effectively isolate the hot air from entering the room and fix each board.Easy to install: just combine the board panels and slide them to the desired length, then lock with screws. Attach one side of the exhaust hose to the A/C hose fitting by twisting; attach the other side of the hose to the adapter. Insert the plate at the end.Material: plasticcolour: As shownPackage Contents:4 x Board 1 x Connector 4 x Screw 1 x Exhaust DuctOnly 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.