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 Connector Material: PP Features: Portable, Durable, Easy to Install, Portable Air Conditioner Accessories Diameter: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item'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