The square connector seamlessly fit portable air conditioners, eliminating air leaks and optimizing cooling efficiency through precisions engineered compatibility Perfect for apartments, home offices, or spaces requiring frequent air conditioners repositioning Easy installation systems combines abs construction, offering long lifespans This adapter fits well, prevents leaks, and can tightly connects the exhaust hose to your air conditioners unit for quick cooling Ideal for time constrained professionals and beginners needing climates control solution without complex assembly requirements, Manufacturer: Hrtyvhin