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What is the function of a cleanroom fan filter unit?

Oct 21,2025 | Product list faq

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A cleanroom fan filter, often called an FFU, is a self-contained, motorized system engineered to supply clean air in controlled settings such as cleanrooms. These units combine a fan with either a high-efficiency particulate air (HEPA) or ultra-low penetration air (ULPA) filter. Positioned in the plenum—the area above the cleanroom's ceiling—they pull air through the filter, delivering purified air to maintain a contamination-free environment essential for sensitive operations.

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