Quick and secure installation: the flat hose adapter is easy to install and has four locking tabs for a secure connection to the window. It is quick to install and safe to use - annoying shaking and annoying installation are a thing of the past. Versatile: it can be easily adapted to different scenarios, whether air conditioning, greenhouse or exhaust hose. It is a practical tool that is indispensable for the family and meets the connection requirements of different devices. Efficient and optimised airflow: the carefully designed structure effectively improves air flow, promotes fresh air circulation in the living room, significantly improves room comfort and air quality and ensures fresher and more comfortable breathing. Goodmaterial: the robust plastic is extremely good and can withstand harsh conditions. Compared to similar products, its durability is particularly outstanding and allows a longer service life. Sophisticated and compact design: the minimum height of the exhaust connection is only 2 cm, and the shape is compact and lightweight. It ensures the safety and efficiency of the connection while taking up little space in the window opening. It is suitable for a variety of installation environments and is both practical and beautiful. Product Name: Exhaust Hose Adapter Material: plastic. Size: 23 x 26 x 1.5 m Weight: 300g Flat connection: 1. Connects to exhaust pipes with diameters of 130 mm and 150 mm. 2. 130 mm internal connection, 150 mm external connection. 3. Suitable for window exhaust air from mobile air conditioners. 4. Suitable for the window exhaust of car air conditioners. Box contents: 1 x exhaust hose adapter. Package size (length x width x height): 24.00 cm x 15.00 cm x 26.00 cm = 9360 cm³. Net size (length x width x height): 24.00 cm x 15.00 cm x 26.00 cm = 9360 cm³. Gross weight: 0.300 kg. Net weight: 0.300 kg