Mini Pleated HEPA Air Filter 3000 M³/H Air Volume For Clean Room CE Approved YAYE Pleated HEPA Air Filter 3000 M³/H Air Volume For Clean Room CE Approved. Suitable For Clean Rooms. Aluminum Alloy Frame. Product Description Frame material: The frame is made of lightweight, corrosion-resistant and easy-to-process aluminum profiles. High filtration efficiency: It can be classified into types such as HEPA filters and ULPA filters, with filtration efficiencies reaching 99.97% (for