... Make sampe→5.Check sample→6.Place orderLiquid Filter Bag was made by PP,PE,Nylonmaterial.And ... with filter bag vesse together. 1).Nominal micron filter bags (#1,#2,#3, ) 2).Absolute micron filter bags.(# ... 1,#2,#3, ) 3).Long time filter bags.(#1,#2,#3, ... SG (All Sewing) WG (All Welding) F: A( Absolute) N (Normal) G: U (End construction U style) ...