... .Plastic Ring or Steel Ring 4.Size,#1,#2,#3,# Polyester Liquid Filter Bag was made by PP,PE ... 1).Nominal micron filter bags (#1,#2,#3, ) 2).Absolute micron filter bags.(#1,#2,#3, ) 3).Long ... bags.(#1,#2,#3, ) Model: A-B-C-D-E-F-G-H A: PP(Polypropylene) PE(Polyester) NMO ... (Nylon Monofilament) NME( NOMEX) OIl Absobent B: #1 (Size 1) #2 (Size 2) #3 (Size 3 ...