... .Plastic Ring or Steel Ring 4.Size,#1,#2,#3,# Polyester Liquid Filter Bag was made by PP,PE,Nylon,Nomex ... purified with filter bag vesse together. 1).Nominal micron filter bags (#1,#2,#3, ) 2).Absolute micron filter ... Media filter bags.(#1,#2,#3, ) Model: A-B-C-D-E-F-G-H A: PP(Polypropylene) PE(Polyester) NMO ... (End construction V style) H: SF (Silicon free) ST (Standard) Polyester Filter Bags