
Mini-Pleat 320*320*70mm OEM High Efficiency H13 H14 HEPA Air Filter for Dust Collector. High Efficiency Filtration: H13/H14 grade with 99.95% to 99.999% efficiency at 0.3 microns. Customizable Dimensions: Standard sizes available with customized options for frame and media. Durable Material: Ultra-fine fiberglass media with aluminum alloy frame for longevity. Low Pressure Drop: Mini-pleat design ensures smooth airflow and low resistance. Certified Quality: Tested per EN-1822 standard with ISO9001 & CE certification. Fast Delivery: Short delivery time of 7-10 days based on strong production capacity. Safe Construction: Hot-melt adhesive separation prevents chemical pollution in clean spaces. Wide Application: Suitable for clean rooms, hospitals, labs, and HVAC systems.