Specifications: * Material: PP * Diameter: 15cm / 5.91" (Approx.) * Optional Types: (As Pictures Show) Type 1 connector is a 1.5 hp mobile air conditioner body and exhaust pipe connector. Type 2 connector is a 1 and 1.5 hp mobile air conditioner exhaust pipe and baffle connector. Type 3 connector is a 1 hp mobile air conditioning body and exhaust pipe connector; the square size is 15*11.6cm. Type 4 connector is compatible with Type 5 connector. Type 5 connector is used for embedding in the wall after opening the wall, with a cover. * Made of high-quality material, durable and practical to use * 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 check whether the product size and model are consistent before purchasing Package Contents: 1 x Exhaust Duct Interface Note: 1. The real color of the item may be slightly different from the pictures shown on the website due to factors such as monitor brightness and lighting conditions. 2. Please allow slight manual measurement deviation.