Universal 4-in-1 Vent Hose Connector: This portable ac hose coupler can fit any 5.1"/5.9" hoses with clockwise or counterclockwise thread, the internal interface for 5.1 inch hose , external for 5.9 inch hose. One piece fits all, easily solve your mobile air conditioning exhaust pipe extension problem. (Note: This is a hose connector, it only connects two hoses, cannot be attached to the AC unit) Universal Thread Direction: This portable air conditioner exhaust hose connector was designed with the new universal thread design. You can twist both clockwise or anti-clockwise to connect the hose. Compatible with portable air conditioner exhaust hoses with a diameter of 5.1" and 5.9". (Note: Please measure the diameter of your AC hose before purchasing) 3 Connection Methods: 1). Two 5.1" hoses can be connected via the internal threaded interface. 2). You can connect two 5.9" hoses by the external thread interface. 3). Connect one 5.1" hose and one 5.9" hose. Effective Assistance for Mobile Air Conditioner: Our AC exhaust hose coupler can be effectively connected the air conditioner hoses, extend the length of the exhaust pipe so that it can smoothly pass through the hole of the window or wall when installing air conditioner. Good Sealing Performance: This air conditioning hose coupler is made of sturdy ABS material, heat resistant and durable. Its precise thread design to make it tightly fit the air conditioning unit tube, effectively prevent the hot air leak out, cool down your room quickly, save electricity and reduce energy consumption. Universal Thread Direction: This portable air conditioner exhaust hose connector was designed with the new universal thread design. You can twist both clockwise or anti-clockwise to connect the hose. Compatible with portable air conditioner exhaust hoses with a diameter of 5.1" and 5.9".
