The Fan Filter Unit (FFU) is also a necessary part of cleanrooms. Its distinctive structure can be easily connected in modular and is utilized in cleanrooms, clean benches, clean production lines, and prefabricated cleanrooms, as well as Class 100 cleanrooms. The FFU also uses an internal filter (primarily) and the high-efficiency filter. The air passes through a fan, is filtered, and is spread evenly with the speed of 45 m/s with a 20 percent deviation, which provides high levels of cleanliness in all environments.
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