Features: 1Can stretch and contract freely. 2Low friction loss if installed correctly will not leak. 3Easy to install. Simply extend the exhaust hose to meet the existing hose align it at both ends and snap it into place. 4Made of high quality materials with good flexibility durability and portability. It is not easy to break after prolonged use. 5Ideal for when the air conditioner is still running well the necessary exhaust hose is broken and then you need to replace it. Specification: Features: Can stretch and contract freely. Low friction loss if installed correctly will not appear leakage. Easy to install. Simply extend the exhaust hose to meet the existing hose align it at both ends and snap it into place. Made of high quality materials with good flexibility durability and portability. It is not easy to break after prolonged use. Ideal for when the air conditioner is still running well the necessary exhaust hose is broken and then you need to replace it. Specifications: Condition:100% New Material:PP+Steel wire Color: As shown in the picture Shrink Length:Approx. 430mm/16.9inPackage List: 1*Air ConditionerExhaust Hose Note:1. Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.2. This pipe is cover the outside of the household pipe and the wire is tightened with a vise.3.The air conditioning hose connection needs to be matched with the air inlet interface and the air outlet interface. This link only sells the hose without the interface.4. The diameter of the machine interface needs to be measured before purchase to avoid failure to connect after purchase.