1) air filter, pocket filter, bag filter 2) nonwoven fabric 3) various kinds of frame 4) customized 5) firm, leakproof Bag FilterPurpose: can be used ... automotive and food manufacturing industries. Introduction: this series of pocket filter (bag filter / air filter) is using firm, leak-proof design, trilateral sealed to ... 595*595*6006595*295*6003495*595*6006 Pocket Air Filter/Bag Air Filter(F5-F9)