This article features the Longwell LWAA4E250S-7MKW-13 axial fan, highlighting its technical specifications including the cold rolled steel impeller, five blades, and suction air direction. It emphasizes the fan’s maintenance-free ball bearing, IP44 protection rating, and F-class insulation, making it suitable for industrial ventilation and cooling applications. The detailed description helps users understand its durability, performance, and specific features for targeted HVAC solutions.