EASY INSTALLATION: Just simply line up the drain and the mobile air conditioner hose connection, connect and tighten. Enjoy the coolness on those hot days!PERFECT COMPATIBILITY: The air con hose extension is perfect for every 150cm outlet air conditioner. PLEASE CHECK YOUR PORTABLE AC EXHAUST DIAMETER BEFORE PURCHASING.DURABLE & STURDY: Our mobile air conditioner drain hose is made of polypropylene which has high heat resistance, flexibility and portability. it prevents your air conditioner from leaking when the vent pipe is cracked. With mobile air conditioner hose, your air conditioner will stay in perfect condition.ADJUSTABLE LENGTH 30-150CM: 1.5M Long, our Mobile Air Conditioner Hose has good telescopic function and good flexibili.