... .Make sampe→5.Check sample→6.Place orderLiquid Filter Bag was made by PP,PE,Nylonmaterial.And ... they were used in liquid purified with filter bag vesse together. 1).Nominal micron filter bags (#1,#2,#3, ... ,#3, ) 4).High flux filter bag.(#1,#2,#3, ) 5).Oil absorbed filter bag.(#1,#2,#3, ) ... 6).High efficiency filter bag.(#1,#2,#3, ...