Features:1.Hose extension fitting size: This air conditioner exhaust fitting is designed to be compatible with 5 inch or 5.9 inch portable air conditioner exhaust hoses. Our air conditioner hose extension connector is made of ABS material for long term use.2.Threaded: Extending the exhaust with this portable connector eliminates the need to distinguish between lefties and righties. Both lefties and righties can be used. A lefty and a righty can also connect 5 inches or 5.12 inches being the same product.3.Rugged and durable: This portable air conditioner hose extension provides a tight and stable installation for the air conditioner tubing to avoid any leaks. This portable AC extension connector provides additional protection against external debris while also forming a protection.4.Easy to use: no tools, no drilling required. Simply screw in the ends of the two air conditioning exhaust pipes and they can be easily installed on the air conditioning ducts. Easy and convenient to operate.5.Unlimited connection: If you want to extend the existing hose, you only need one to connect the hoses together and then use the existing fittings to connect the hoses to the air conditioner and window brass.Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementDescription:Material: ABSSize: 150 connector 10.6*15.7cm ; weight 120g 130 connector 10.6*13.7cm ; weight 90g