Size: This ac exhaust hose coupler is designed to compatible with portable air conditioner exhaust hoses with a inner diameter 5.9 inch and outer diameter 150mm (5.9 inces). Universal Fits: The portable air conditioner exhaust hose connector will work with any 5.9 Inch air conditioner exhaust hose. It has a universal thread direction, you could extend your for Toshiba or for LG Portable Air Conditioner Hose or other brands with no issues. Premium Material：This ac exhaust hose connectors is made of high plastic and the long lasting design make it can use for a long time. Easy Installation: You can easily use this ac hose coupler extender to connect the hoses you need, and it will extend your hose to the length you need and make the hose though the wall or windows. Comfortable in summer：Our durable hose promises a cool breeze during scorching summer days, ensuring indoor comfort and sweat-free experience. Size: This ac exhaust hose coupler is designed to compatible with portable air conditioner exhaust hoses with a inner diameter 5.9 inch and outer diameter 150mm (5.9 inces). Universal Fits: The portable air conditioner exhaust hose connector will work with any 5.9 Inch air conditioner exhaust hose. It has a universal thread direction, you could extend your for Toshiba or for LG Portable Air Conditioner Hose or other brands with no issues. Premium Material：This ac exhaust hose connectors is made of high plastic and the long lasting design make it can use for a long time. Easy Installation: You can easily use this ac hose coupler extender to connect the hoses you need, and it will extend your hose to the length you need and make the hose though the wall or windows. Comfortable in summer：Our durable hose promises a cool breeze during scorching summer days, ensuring indoor comfort and sweat-free experience.