Specifications Micron felt liquid filter bag on sale. 1.PP,PE,Nylon 2.Welded,sewed 3.Size:1#,2#,3#,4#1). 1).Nominal ... ) 4).High flux filter bag.(#1,#2,#3, ) 5).Oil absorbed filter bag.(#1,#2,#3, ) 6).High efficiency filter bag.(#1,#2,#3 ... , ) 7).Activated carbon filter bag.(#1,#2,#3 ...