liquid filter bag 1.(micron):1,5,10,25,50,75,100,150,200 2.international standard filter bag:ES-1,ES-2,ES-3,ES-4 liquid filter bagFilter bag filter ability(micron):1,5,10,25,50,75,100,150,200international standard filter bag parameter:ES-1,ES-2,ES-3,ES-4