What is this?The air conditioner hose is widely used for connecting the portable air conditioner to the exhaust vent. Good sealing performance and discharges the hot air produced by the portable air conditioner to the outside area.What will I get?Size of Outer Diameter: 130mm / 5.1", Length(Normal Status): 1.5 meters / 59", In the package: 1 x Air Conditioner HoseAre there any advantages of the product?Made of PP material, has good heat resistance, durable to use.Expandable design, the hose can be stretched or shrank, flexible to use.Steel wire is built inside the hose, not easy to deform.How to use it?One side to connects your portable air conditioner, and the other side connects your exhaust vent or exhaust tube.When you are connecting them, you just need to snap both ends in anti-clockwise twisting direction.