. OOTDTY Features: It is applicable to air conditioners with a diameter of about 15 cm. It is used to connect to the exhaust outlet, and can be easily installed on the back of the portable air conditioner. Made of plastic, and practical to use. It can be used for homes, offices, etc. and can be used for a long time. Exhaust duct interface only, other accessories demo in the picture are not included! Specification: Material: Plastic Dimension: app.18x15x6.3cm/7.09x5.91x2.48in Suitable for 15cm diameter exhaust pipe. Color: Grey or White, Random DeliveryQuantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included:1 x Exhaust Duct Interface