AM12SD 1.8-2.7 8 75-120 55-90 ≥99.9 0.3-0.5 industrial bag filter/cartridge,vacuum cleaner filter AM13S 1.8-2.7 8 55-85 80-120 ≥99.5 0.1-0.2 air cleaner filter,HEPA filter AM14S 1.8-2.7 8 35-55 130-180 ≥99.95 0.1-0.2 air cleaner filter,HEPA filter AM15S 1.8-2....