Specifications: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.Type 4 connector compatible with type 5 connector.Type 5 connector is used for embedding in the wall after opening the wall, with a cover.Item Name: Exhaust Hose ConnectorMaterial: PPFeatures: Portable, Durable, Easy to Install, Portable Air Conditioner AccessoriesDiameter: 15cm/5.91" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Exhaust Hose Connector