Material: Polypropylene. Hose outer diameter: 15 cm. - NOTE: Please check if your original hose is threaded counterclockwise.Disassembly and installation are very simple and convenient, very practical.The exhaust pipe is retractable, you can stretch it and fold it at will. It is easy to carry and store when folded. Replace old or damaged mobile air conditioner vents with new hoses.Robust and durable mobile air conditioning ventilation hose.Our product has a retractable design which can provide great convenience, you can install and use it very simply and easily, a good mobile air conditioner accessory.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store