DC motor 220V-240V 50Hz The FFU fan fiter unit can be connected and used in a modular manner.The FFU fan filter unit is widely used in clean rooms,dust-free operation tables, dust-free production lines, assembled clean rooms and local hundreds of applications. The FFUfan filter unit can be used Simple clean workbench, clean shed, clean transfer cabinet and clean storage closet, etc. lt can be arranged as a single unit according to process requirements,or multiple units can be connected in series to form a100-stage assembly line. The shell structure is made of stainless steel, aluminized zinc plate, and cold-rolled steel plate, whichis light in weight, corrosion-resistant, rust-proof, and beautiful. The fan sucks in the air from the top of the FU and fiters it through the primary high-efficiency flter. The filtered clean air issent out at an average speed of 0.45m/s on the entire air outlet surface.The fan adopts German EBM which has the characteristics of long life, low noise, maintenance-free, low vibration, and stepless speed regulation. The fan is of reliablequality and has a working life of more than 50,000 hours. The fan filter unit is one of the quietest and most expensive units on the clean market Wwith this unit, high-quality air can bedelivered to the clean room.And the air flow shape is good it i suitable for semiconductor,electronics,flat panel display anddisk drive manufacturers and optical, biological industries and other industries to be used in clean rooms, clean workbenches,clean production lines, assembled clean rooms and local 100-level occasions and other places with strict control requirements on air pollution have low energy consumption and lower operating costs. 