【Warm Tips】Our AC exhaust vent has an anti-clockwise thread direction, The hose diameter is 15 cm (outer edge to outer edge) so make sure to check this is correct for your AC before purchasing, please confirm that the installation direction of the hose is counterclockwise required and diameter 15cm.【Free extension and contraction】 The hose is extendable. The AC Exhaust Hose at its shortest length, 11.8"/30cm, and it can be extended up to 59"/150cm. At home or in the office, our flexible, extendable air conditioning hose fits into any space. Easy to Clean and Completely waterproof be allowed to rinse directly with water.【Durable And Robust】The hose is made of strong, environment-friendly polypropylene with good flexibility, which has bet.