Features: 1Convenient and Practical: The portable AC hose coupler can effectively moves hot air out of your space so that the air conditioner can cool down more efficiently 2Connection Function: The portable AC hose coupler connects the exhaust hose and the window assembly board to keep warm air out of your space 3Scope of Application: The portable AC hose coupler is 130mm thread diameter 20cm fixed diameter suitable for 130mm diameter exhaust pipe 4Small and Compact: The small and compact body does not take up too much use space which is convenient for storage and use 5ABS Material: The AC exhaust hose coupler adopts ABS material which is wearable and durable and has a long service life Specification: Item Type: Portable AC Hose CouplerMaterial: ABSThread Diameter: Approx. 130mm / 5.1inFixed Aperture: Approx. 20cm / 7.9inInner Diameter of Quadrate Mouth: Approx. 8cm / 3.1in WideProduct Size: Approx. 21.5 x 13 x 10cm / 8.5 x 5.1 x 3.9inApplicable To: General 130mm Diameter Conditioner Exhaust PipeWeight: Approx. 155g/5.5oz Package List: 1 x PortableACHose Coupler