A mini-pleat filter is a specialized air filtration device designed to capture extremely small particles from the air. HEPA filters are known for their high efficiency in removing particles such as dust, pollen, mold spores, bacteria, and other airborne contaminants.

The "mini-pleat" design refers to the arrangement of the filter media, where the pleats or folds are smaller and more closely spaced compared to traditional HEPA filters. This compact design increases the filter surface area, allowing for greater particle capture efficiency while maintaining a relatively low pressure drop.

Mini-pleat HEPA filters find designed in Fan Filter Unit (FFU) applications in various industries, including cleanrooms, hospitals, laboratories, pharmaceutical manufacturing, and other environments where maintaining high air quality is crucial. They are commonly used in ventilation systems to ensure that the air circulating within a controlled environment is free from particulate matter that could compromise product quality, patient safety, or research integrity.