
High Dust Holding Pre Filter Media Cotton Roll for Air Filtration Systems. High Dust Holding Capacity: Up to 580g/m3 dust retention with 91% average arrestance. 100% Humidity Resistance: Made of fracture-resistant PET fiber with 100% humidity resistance. High Temperature Tolerance: Continuous temperature resistance up to 100C with 120C peak tolerance. Reusable After Cleaning: Can be used repeatedly 2-3 times after cleaning process. Customizable Standard: Standard is customizable to meet specific customer requirements. Versatile Application: Suitable for primary filtration in heavily polluted ventilation systems. Multiple Filter Types: Can be processed into panel, folding, and bag filters. OEM and ODM Service: Full customization, flexible customization, and minor customization available.