The shell of the mobile self-purifier is made of high-quality cold-rolled steel plate with baking finish. It consists of a low-noise fan, a primary efficiency filter, an air supply plenum, a high-efficiency filter and an airflow equalizing plate (spray ball), as well as universal casters. The wind speed is adjustable at high, medium and low gears, making it suitable for environments requiring cleanliness levels ranging from Class 10,000 to Class 300,000.

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