The shortened length is 12.8 inch / 30 cm. You can extend it to 59 inch / 150 cm max. exhaust hose is longer than the Zipper Closure hose making it more flexible to use in a large space Stretch the hose gently. Line up one of the ends with the window connector and rotate the connector Counterclockwise to snap into the hose.Then rotate the hose Counterclockwise to the hose connector Made of environmentally friendly PVC, no odor. Sturdy and long-lasting. A perfect replacement for your cranked portable AC exhaust hose Universal size: hose diameter is 130mm (5.1 inch), fits to using hose. Durable and Portable: the air exhaust hose is made by PVC with good flexible, which is a good replacement when the essential vent hose has cracked. Easy to install: gently extend out the exhaust hose to meet up with the existing hose, line up with the both ends, snap into place. Applies to: Workshop, automobile exhaust, sewer, shipyard, Air Conditioner It will not shrink after installation, and it can maintain the flatness of the tube Color: White Material: PVC Size:Diameter 13cm extend 1.5 meters Package Contents: 1 x air-conditioning exhaust pipe Only the above package content, other are not included. Note: Light reflection 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.