Feature: 1. Convenient 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 2. Connection Function: The portable AC hose coupler connects the exhaust hose and the window assembly board to keep warm air out of your space 3. Scope of Application: The portable AC hose coupler is 130mm thread diameter, 20cm fixed diameter, suitable for 130mm diameter exhaust pipe 4. Small and Compact: The small and compact body does not take up too much use space, which is convenient for storage and use 5. ABS 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 Coupler Material: ABS Thread Diameter: Approx. 130mm / 5.1in Fixed Aperture: Approx. 20cm / 7.9in Inner Diameter of Quadrate Mouth: Approx. 8cm / 3.1in Wide Product Size: Approx. 21.5 x 13 x 10cm / 8.5 x 5.1 x 3.9in Applicable To: General 130mm Diameter Conditioner Exhaust Pipe Weight: Approx. 155g/5.5oz . Package List: 1 x Portable AC Hose Coupler