Features: The square connector seamlessly fit portable air conditioners, eliminating air leaks and optimizing cooling efficiency through precisions engineered compatibility. Easy installation systems combines abs construction, offering long lifespans. Ideal for time constrained professionals and beginners needing climates control solution without complex assembly requirements. Perfect for apartments, home offices, or spaces requiring frequent air conditioners repositioning. This adapter fits well, prevents leaks, and can tightly connects the exhaust hose to your air conditioners unit for quick cooling. Specifications: Material:ABS Size:Approx.117x150mm/4.61x5.91inch Inner diameter: Approx.150mm/5.91inch Applicable pipe:Approx.15cm/5.91inch Package Includes: 1PC Exhaust Hose Connector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you will not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.