... under normal temperature and humidity. Dust Air Filter Bag DescriptionThe filter bag adopt composite ... air purification in electronic, food, pharmacy, mechanical, petrochemical and light industry.Technical DataFilter Grade: G1, G2, G3, G4 ... , F5, F6, F7, F8, F9, H10, H11Filter Efficiency: 85~99.9%Air Quantity: 1500~5400m3 ... 10, 25 micron Dust Collector Air Filter Bag/Pocket Air Filter Bag