... fluid under normal temperature and humidity. Dust Air Filter Bag DescriptionThe filter bag adopt composite nonwoven cloth as filter material. The metal frame is used to ... , G2, G3, G4, F5, F6, F7, F8, F9, H10, H11Filter Efficiency: 85~99.9%Air Quantity: 1500~5400m3/hSizes• Ø 590 x 590 ...