【Please Note Before Purchase】Due to the wide variety of brands and models of portable air conditioners, please check the connection method between your air conditioner unit and the exhaust hose. Refer to the style and size in the illustration to find the correct connection. 【Suitable for All Exhaust Hoses with an Outer Diameter of 5.9 Inches】Please check the diameter of your connecting hose to ensure it is 5.9 inches to 6 inches in outer diameter for proper connection with our portable air conditioner connector. 【Universal Clockwise/Counter-Clockwise Rotation】Our connector features a universal thread design suitable for all exhaust hoses with an outer diameter of 5.9 inches to 6 inches. 【Superior Materials】This air conditioner exhaust hose connector is mainly made of durable ABS plastic. This material is tough, durable, flexible, heat-resistant, and has high rigidity, ensuring a secure connection between the hose and the machine. It also provides good support when disassembling the hose.