
Aluminum Frame Pre Pleated Panel Air Filter for Dust Collector HEPA Air Filter OEM. Aluminum Alloy Frame: Durable and lightweight aluminum alloy frame ensures structural integrity. G4 Filtration Efficiency: Captures 90% of dust particles above 5 microns for effective pre-filtration. Customizable Dimensions: Available in multiple standard sizes (e.g., 295x295mm, 495x495mm) and custom options. Low Resistance Design: Optimized pleated structure provides large filter area with minimal airflow resistance. ISO9001 & CE Certified: Products meet international quality standards with ISO9001:2008 and CE certification. Fast Delivery: Short delivery time of 7-10 days supported by strong manufacturing capacity. OEM Service Experience: Over 10 years of OEM service experience in the air filter industry. Versatile Applications: Suitable for HVAC systems, clean rooms, medical electronics, and industrial air purification.