Features: Universal air conditioner vent pipe adapter with double size compatibility (15cm outer/13cm inner tubes) and ABS construction ensures secure connections for clockwise/counterclockwise exhaust systems. Featuring flexible bidirectional installation and leak proof design, this Air Conditioning hose connector maintains airflow integrity under high pressure while being lightweight. Ideal for homeowners, enthusiasts, and Air Conditioning technicians seeking reliable ventilation solution for portable Air Conditioning units in residential or light commercial space. Perfect for optimizing cooling/heating efficiency in bedrooms, offices, or workshops by creating airtight seals between exhaust hoses and window/wall vent kits. Engineered with reinforced ABS joints, this Air Conditioning vent adapter prevents energy loss through air leaks, ensuring faster temperature regulation year round. Specifications: Material: ABS Height: Approx. 2.95inch(7.5cm) Outer Diameter: Approx. 5.91inch(15cm) Inner Diameter: Approx. 5.12inch(13cm) Package Includes: 2x Air Conditioning Pipe Connector note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.