Specifications: * Material: PP * Diameter: 15 cm / 5.91 in (Approx.) * Optional Types: (As Pictures Show) - Type 1 connector is for a 1.5 hp portable air conditioner body and exhaust pipe. - Type 2 connector is for a 1 and 1.5 hp portable air conditioner exhaust pipe and baffle. - Type 3 connector is for a 1 hp portable air conditioner body and exhaust pipe; square size is 15 x 11.6 cm. - Type 4 connector is compatible with Type 5 connector. - Type 5 connector is designed for wall installation with an opening, includes a cover. * Made of high-quality material, durable and practical * Portable, durable, easy to install; portable air conditioner accessory * Suitable for all portable air conditioners and exhaust hoses with an outlet diameter of 15 cm (6 inches) * For connecting the exhaust hose and casement kit plate Reminder: Please verify the product size and model compatibility before purchasing. Package Contents: 1 x Exhaust Duct Interface Note: 1. The actual color of the item may vary slightly from the images shown due to factors such as monitor brightness and lighting conditions. 2. Please allow slight variation due to manual measurement.