Air Conditioning(AC) systems are something that greatly benefit our modern society, but are often taken for granted. AC systems are necessary to keep indoor spaces warm, cool, and full of high-quality and clean air. In order to have an effective system, you need to have quality AC Vent Hose. We’ve spent years developing our AC hoses to maintain high quality air control. Angooni Expandable Vent Hose for use with various portable air conditioners. Contains internal steel support coil. The nice thing about this hose is the way It can accordion fold larger and smaller as needed so you don't need to cut it. The replacement exhaust hoses are longer than most original hoses, making them more flexible for use in large areas. The hose is extendable, the shortened length is 15 inches, it can extend up to 80 inch, easily extend the length of the exhaust hose to fit into anywhere you want. Angooni 5.9-Inch Counter-Clockwise Threaded Exhaust Hose Our exhaust hose is made of high quality polypropylene without any chemical odor. It's heavy-duty,long-lasting, and the perfect replacement for your cracked portable air conditioner exhaust hose. The 5.9 IN counter-clockwise thread fits most of the leading portable air conditioner models from brands like LG, Honeywell, Whynter, Frigidaire, Toshiba, Delonghi, JHS, SPT, Haier, Midea and many more.